Circuits sentence example

circuits
  • Desire was burning the circuits of her mind as well.
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  • Two circuits are said to be closely coupled when this coefficient is near unity and to be loosely coupled if it is very small.
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  • Junction circuits are usually made up of 20 or 40 lb conductors.
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  • These inter-area or long-distance lines, called trunk circuits in England, terminate at one exchange in each local area, and between that exchange and the various district exchanges junction circuits are provided for the purpose of connecting subscribers to the trunk lines.
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  • The single-wire earthed circuits used in the early days of telephony were subject to serious disturbances from the induction caused by currents in neighbouring telegraph and electric light wires, and from the varying potential of the earth due to natural or artificial causes.
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  • This receiver therefore, like the transmitter, consists of an open and a closed electric oscillation circuit inductively connected together; also the two circuits of the receiver must be syntonized or tuned both to each other and to those of the transmitter.'
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  • The introduction of inductance coils into such circuits renders them more susceptible to trouble from atmospheric electricity and more sensitive to leakage variations.
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  • Soon after came the gradual process by which the circuits handed over their mission-work to a central Connexional Committee.
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  • With the adoption of relays the signalling between the subscribers and the exchange became automatic, and, with the introduction of the principle of double and automatic supervision on the cord circuits, it became possible for the operators to tell at any instant the state of a connexion.
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  • In circuits possessing high resistance and capacity and low inductance per mile, telephonic currents are rapidly attenuated, and the higher the frequency the more rapid is the attenuation.
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  • Many circuits have been " loaded " in the manner proposed by Pupin during recent years, especially in underground cables, and it has been found in practice that the transmission value of these when loaded is approximately from three to four times their value unloaded.
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  • The number of trunk wire centres open on the 31st of March 1907 was 533, and the total number of trunk circuits was 2043, containing about 73,000 m.
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  • At the death of Wesley the figures were: 313 preachers, 119 circuits and mission stations, and members.
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  • This telegraph required six wires, and was shortly afterwards displaced by the single-needle system, still to a large extent used on railway and other less important circuits.
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  • This increase may be made evident by making the loop of wire one arm of a Wheatstone's bridge and so arranging the circuits that the oscillations pass through the fine wire.
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  • During the five years1819-1824there had been made from Hull 17 circuits with a membership of 7600, and Hull itself had 3700 more.
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  • The telautograph is on a similar principle to the Cowper apparatus, the motion of the transmitting pencil or stylus used in writing being resolved by a system of levers into two component rectilinear motions, which are used to control and vary the currents in two distinct electrical circuits.
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  • At a later date, 1891, Trowbridge discussed another method of effecting communication at a distance, viz., by means of magnetic induction between two separate and completely insulated circuits.
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  • In the case of the inductive mode of exciting the oscillations an important quantity is the coefficient of coupling of the two oscillation circuits.
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  • These mechanical qualities correspond to inductance and capacity in electric circuits.
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  • When the subscribers in a local area exceed a certain number, or when for some other reason it is not convenient or economical to connect all the subscribers in the area to one exchange, it is usual to divide the area into a number of districts in each of which an exchange is placed, and to connect these district exchanges together by means of " junction circuits."
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  • Since the time when the system first became prominent all switchboards have been arranged for metallic circuits.
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  • In America, on farmers' circuits, ten or more stations are frequently connected to one line; but in England ten is practically the maximum.
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  • In the first experiments it was calculated from observations of the mutual induction of two conducting circuits in air and in the liquid; the results for oxygen at-182° C. were I 00287, 228 X IO-6.
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  • To decrease the velocity, when large volumes of air are required, the air passages are made larger, and the mine is divided into sections and the air current subdivided into a corresponding number of independent circuits.
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  • In the Presbyterian churches a synod is an assembly containing representatives of several presbyteries and intermediate between these and the General Assembly; similarly in the Wesleyan and other Methodist churches the synod is the meeting of the district which links the circuits with the conference.
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  • Any change in the resistance of the arc, either by lengthening, due to the sinking of the charge in the crucible, or by the burning of the carbon, affected the proportion of current flowing in the two shunt circuits, and so altered the position of the iron cylinder in the solenoid that the length of arc was, within limits, automatically regulated.
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  • The use of small auxiliary blowing ventilators underground, for carrying air into workings away from the main circuits, which was largely advocated at one time, has lost its popularity, but a useful substitute has been found in the induced draught produced by jets of compressed air or high-pressure water blowing into ejectors.
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  • Suppose it is desired to measure the insulation-resistance of a system of electric house wiring; the ohmmeter circuits are then joined up as shown in fig.
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  • The state is divided into ten circuits, and one judge is elected by the voters of each circuit for a period of four years.
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  • The legislature may, by a two-thirds' vote of each house, increase the number of circuits or the number of judges.
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  • Again, we may split a narrow beam of light by partial reflexion from a transparent plate, and recombine the constituent beams after they have traversed different circuits of nearly equivalent lengths, so as to obtain interference fringes.
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  • It is true that the theory of vortex rings in hydrodynamics is of a simpler type; but electric currents cannot be likened to permanent vortex rings, because their circuits can be broken and the element of cyclic steadiness on which the simplicity depends is thereby destroyed.
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  • The establishment and convection of a single polar atom constitutes in fact a quasi-magnetization, in addition to the polarization current as above defined, the negative poles completing the current circuits of the positive ones.
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  • Exclusive of the city of Baltimore, the state is divided into seven judicial circuits, in each of which are elected for a term of fifteen years one chief judge and two associate judges, who at the time of their election must be members of the Maryland bar, between the ages of thirty and seventy, and must have been residents of the state for at least five years.
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  • The counties are grouped into judicial circuits, those containing a population of more than 150,000 constituting separate districts; each district has a judge and a commonwealth's attorney.
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  • The circuit courts consist of twenty-nine circuit judges, acting iji nine judicial circuits, while to each circuit there is also allotted one of the justices of the Supreme Court.
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  • The local churches were grouped into circuits governed representatively by a quarterly meeting.
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  • In 1763 he became king's counsel and bencher of Lincoln's Inn, and for a short time went the northern circuits, but was more successful in obtaining business in the Court of Chancery.
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  • To supply the lack of Wesley's supervision the circuits were now grouped together in districts.
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  • In 1892 the district meeting became known as the District Synod, and in 1893 the circuits began to choose representatives to the Synod in addition to the circuit stewards.
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  • Weak circuits were grouped together and gained fresh energy and hope by the union.
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  • After serving the usual period of probation he was ordained at Manchester in 1849 and for the next nineteen years travelled in several circuits, including some of the London ones (1858-1864).
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  • Next we note that an extract in the Philocalia is introduced as follows: "Yea, and Clement the Roman, a disciple of Peter the Apostle, after using words in harmony with these on the present problem, in conversation with his father at Laodicea in the Circuits, speaks a very necessary word for the end of arguments touching this matter, viz.
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  • Now all the points here noted in the Circuits can be traced in our Homilies and Recognitions, though toned down in different degrees.
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  • It has been needful to cite so much of the evidence proving that our Homilies and Recognitions are both recensions of a common basis, at first known as the Circuits of Peter and later by titles connecting it rather with Clement, its ostensible author, because it affords data also for the historical problems touching (a) the contents and origin of the primary Clementine work, and (b) the conditions under which our extant recensions of it arose.
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  • The synapse, therefore, as the place of meeting of one neuron with the next is called, is said to valve the nerve circuits.
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  • The local monarchy of the manorial lords was fast giving way to a central power which maintained its laws, the circuits of its judges, the fiscal claims of its exchequer, the police interference of its civil officers all through the country, and, by prevailing over the franchises of manorial lords, gave shape to a vast dominion of legal equality and legal protection, in which the forces of commercial exchange, of contract, of social intercourse, found a ready and welcome sphere of action.
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  • The state is divided into thirty judicial circuits and in each of these a circuit judge is chosen for a term of eight years by a joint vote of the Senate and the House of Delegates.
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  • The term " electricity " is applied to denote the physical agency which exhibits itself by effects of attraction and repulsion when particular substances are rubbed or heated, also in certain chemical and physiological actions and in connexion with moving magnets and metallic circuits.
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  • Cavendish also enunciated in 1776 all the laws of division of electric current between circuits in parallel, although they are generally supposed to have been first given by Sir C. Wheatstone.
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  • In common parlance, as well as for judicial purposes of circuits, the Principality is divided into North Wales and South Wales, each of which consists of six counties.
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  • For this purpose four circuits, two for North and two for South Wales, each circuit containing a convenient group of three counties, were created; whilst justices of the peace and custodes rotulorum for each shire were likewise appointed.
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  • Under the system of the Great Sessions justice was administered throughout the twelve counties of Wales for nearly three hundred years, and it was not until 1830 that this system of jurisdiction was abolished (not without some protest from Welsh members at Westminster), and the existing North and_South Wales circuits were brought into being.
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  • Selfregistering voltmeters indicate at any moment the potential difference in every tank, and therefore give notice of short circuits occurring at any part of the installation.
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  • The circuits in which the batterybattery P and and d being galvanometer called the ratio branches placed are called conjugate circuits, and the circuits P, Q, R, and S are called the arms of the bridge, the '44 S arms and S the measuring arm.
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  • Keys are inserted in the battery and galvanometer circuits to open or close them at pleasure.
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  • In general a cone consists of one or more single or twin-pair sheets, and if we consider the section of the cone by a plane, the curve consists of one or more complete branches, or say circuits, each of them the section of one sheet of the cone; thus, a cone of the second order is one twin-pair sheet, and any section of it is one circuit composed, it may be, of two branches.
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  • And we then say that a curve consists of one or more circuits; thus the right line, or curve of the first order, consists of one circuit; a curve of the second order consists of one circuit; a cubic curve consists of one circuit or else of two circuits.
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  • And we have then the theorem, two odd circuits intersect in an odd number of points; an odd and an even circuit, or two even circuits, in an even number of points.
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  • A non-singular quartic has only even circuits; it has at most four circuits external to each other, or two circuits one internal to the other, and in this last case the internal circuit has no double tangents or inflections.
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  • Finding Ireland conquered and in no condition to rise again, James established circuits and a complete system of shires.
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  • In each of the eight circuits is a circuit judge elected in a similar manner for four years.
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  • In 1907 there were 84 urban telephone systems and 71 inter-urban circuits.
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  • In its conferences ministers and laymen were of equal number, the laymen being chosen by the circuits and in some cases by "guardian representatives" elected for life by conference.
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  • The state is also divided into nineteen circuits, in each of which a circuit judge is elected for a term of eight years, and at every county-seat in each circuit a circuit court is held.
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  • The reflex arc The three types of neurones are arranged in circuits and networks, the simplest of which is the reflex arc.
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  • Circuit diagrams of demo circuits are provided for you to build on solderless breadboards.
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  • Coal was in short supply and people devised other means of keeping warm, overloading electrical circuits and causing the occasional black out.
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  • Next, a summary of the three aforementioned papers related to asynchronous circuits is included.
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  • Most of us broadly agree on the colors we see, because we are using similar neural circuits to see them.
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  • As a result, our diagram only includes very common logic circuits from the CMOS 4000 family, with quite respectable results.
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  • In this chapter we shall examine the effects of applying square waves to cr circuits.
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  • In the process, we reduce the dissimilarity between the two circuits, which makes it easier to verify the circuits.
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  • Only big downfall is you are stuck with original amount of fused circuits.
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  • It can couple enough electrical energy to cause upset and burn out in electronic circuits on a wide scale.
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  • Ensure that you have provided enough power sockets of the right type or consult an electrician about modifying the circuits.
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  • Recent achievements include the identification of circuits that control body weight homeostasis, which could provide novel targets for the treatment of obesity.
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  • But mind is also immanent in the greater circuits which are complete inside the system " brain + body " .
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  • This includes various methods of modifying semiconductor chips at the atomic level for the purpose of fabricating integrated circuits (ICs ).
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  • The older is the Cretan labyrinth, whose classical form has seven circuits.
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  • The fixed blocks are defined by inductive loops set into the track which interact with sensing circuits on the vehicle.
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  • Aims To develop the processes for the manufacture and assembly into a vehicle of large flexible circuits up to 20 sq meters in area.
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  • Be careful not to make even momentary short circuits with metal tools.
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  • It also uses monads for the user interface, although not in the underlying mechanism for defining circuits.
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  • Will show open circuits, short circuits, reversals, earth faults, continuity and all with four IC's.
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  • Even more complicated integrated atom optics devices and networks, similar to integrated circuits for electrons, can be devised.
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  • At the same time, there is an equally pressing demand for lower power consumption, especially for circuits in portable equipment.
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  • The spinal cord also contains parts of the circuits involved in spinal reflexes.
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  • Similarly, an inspection of the electrical circuits has been done with mostly positive results.
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  • Copper is driven along the interface and can cause short circuits in the board.
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  • This last issue is particularly important because unremoved solder balls could create short circuits.
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  • A traditional coil or toroidal transformer works very well for whole circuits of low voltage fittings, or for outside use.
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  • The tuner incorporates a sophisticated power supply system which incorporates a power transformer with separate windings for analog and digital circuits.
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  • Nineteen judges elected for terms of eight years in eighteen circuits compose the circuit court, the judges of which have original jurisdiction of matters involving more than $50; of all cases of habeas corpus, mandamus, quo warranto and prohibition; of all cases in equity; and of all crimes and misdemeanours.
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  • This system is more expen sive than the open-circuit system, ®' as the battery is always at work; but it offers some advantages on circuits where there are a number 'a' N% b '.a of intermediate stations, as the ° ° circuit is under a constant electro motive force and has the same resistance no matter which station is sending or receiving.
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  • In subsequent years numerous experiments were carried out by him in various parts of Great Britain, in some cases with circuits earthed at both ends, and in other cases with completely insulated circuits, which showed that conductive effects could be detected at distances of many miles, and also that inductive effects could take place even between circuits separated by solid earth and by considerable distances.
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  • Fleming devised an arrangement in which a multiple transformation takes place, two oscillation circuits being interlinked inductively, and the last one acting inductively on the open or antenna circuit.
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  • If the two circuits are in tune so that the numerical product of capacity and inductance of each circuit is the same or C L, = C L +CL and if k is the coefficient of coupling then the natural frequency of each circuit is n = I /2w / (CL), and when coupled two oscillations are set up in the secondary circuit having frequencies n and n2 such that n = n0/ (i - k) and n = nh,/ (I +k).
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  • The feature of the system was the provision of special service circuits, termed call-wires, for purposes of communication between the subscribers and the exchange operators.
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  • One hundred circuits are connected to the outgoing portion of each switch, and the contacts upon which they terminate are arranged in a number of horizontal rows upon the face of a curved surface, at whose axis a vertical shaft is placed.
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  • In the first experiments it was calculated from observations of the mutual induction of two conducting circuits in air and in the liquid; the results for oxygen at-182° C. were I 00287, 228 X IO-6.
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  • In the Presbyterian churches (see Presbyterianism) a synod is an assembly containing representatives of several presbyteries and intermediate between these and the General Assembly; similarly in the Wesleyan and other Methodist churches the synod is the meeting of the district which links the circuits with the conference.
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  • In this case both the fixed and movable circuits consist of fine wires, and the instrument is constructed and used in a manner similar to the Siemens dynamometer employed for measuring continuous alternating current (see Amperemeter).
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  • On February 26, 1807, the old prince set off on one of his circuits.
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  • In certain types of rectifier circuits this can be twice this value.
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  • Despite its epic scale, however, this Atlantic rentier economy was only one of several primary capital- circuits.
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  • Ensure the connections are well insulated with heat shrink sleeving as short circuits must be avoided.
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  • It is not necessary to confirm that all fire alarm sounder circuits operate correctly at the time of this test.
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  • Sit back and enjoy the roar of the engine and the squeal of tires on tarmac from the great racing circuits of the world.
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  • Normal squelch circuits would lift, resulting in the controller hearing loud bursts of static noise.
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  • Monitors which work on closed circuits, meaning that they cannot cross to another channel, may have less interference than others.
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  • Breeders often show their animals in show circuits with dozens to hundreds of other cats.
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  • Invest in surge protectors and install additional outlets or circuits, if needed.
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  • For assistance in decoding distance learning terminology, check out the online glossary at Learning Circuits.
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  • Your home wiring has many circuits that originate from the power box.
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  • Some circuits, such as an electric stove or a well water pump, might have a dedicated circuit.
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  • However, most circuits for outlets or switches often have many devices attached to the circuit.
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  • Additionally, ash also causes electrical short circuits, especially as it pertains to wet transmission lines.
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  • These include the infrared "illuminator," the light amplification circuitry and of course the circuits that sharpen and display the image for you.
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  • Drome Racers utilizes cars based on the Construction series and Lego Racers 1 and 2 showcase traditional Lego cars and has you racing through different circuits against different nemeses.
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  • Most people familiar with the Mario Kart franchise will know that you have an opportunity to unlock additional characters, karts, and courses by winning circuits.
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  • You have to earn Kudos which are based on your skill, style, and precision on the circuits.
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  • That won't cover your phone if you drop your phone in the toilet (or any other accidental damage) but if it's a matter of the physical failure of the phone, in terms of circuits or the case falling apart, many times that is covered.
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  • There are electronic circuits in your phone and it's possible they could short out if you use the cell phone.If your phone has a SIM card, take that out as well.
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  • In so doing, they help to assess the integrity of the nerve circuits involved.
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  • Circuits within the basal ganglia are complex.
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  • These complicated feedback circuits are not entirely understood.
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  • Disruptions of these circuits are known to cause several distinct movement disorders.
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  • Rather than focusing solely on fashion, Speedo is dedicated to designing and retailing high performance swimsuits that are routinely found on the diving, and racing circuits.
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  • In normal conditions, the electricity passes through the interlock circuits and timer.
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  • The Windmere single room air ionizer is a small, personal-sized air purifying device that only works on 220-volt circuits, so it's not compatible with the electrical systems in American households.
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  • This ionizer is only suitable for use in countries that support 220-volt circuits in residential homes.
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  • The fire signs of Sagittarius, Aries and Leo tend to overheat Virgo's circuits, while the air signs of Libra, Gemini and Aquarius simply baffle Virgo with their need to understand and dissect emotions.
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  • This migration affects the structure of the brain and the neural circuits responsible for behavior and thinking.
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  • Stem cells may be effective in repairing brain circuits in people with neurological conditions including Alzheimer's disease and Parkinson's disease, and treatments may be applicable to autism as well.
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  • Not only can the refilling process be messy, but if it isn't handled correctly, it's easy to gum up the circuits on the inkjet cartridge body and render it unusable.
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  • In Back to the Future Part II, Doc added the Mr. Fusion energy reactor to the car to power the time circuits.
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  • As cheerleading becomess more competitive, competition circuits are seeing more advanced cheerleading stunts.
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  • These rules generally apply to the fields of grade-school through college cheerleading as well as the routines exhibited by competitive cheerleading circuits.
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  • Depending on the amount of time you have, you can perform one to three circuits per workout, and you can perform the workout about three times per week.
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  • One excellent way to do this is through high-intensity interval exercise circuits.
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  • If you don't have time to do both strength training and aerobic exercise, try doing high-intensity interval training or aerobic circuits three times per week.
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  • In his article titled New Insights into Circuit Training, Len Kraviz, Ph.D. reviewed research about strength-training only circuits.
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  • The American Council on Exercise (ACE) listed boot camp training circuits as one of the top training trends of 2009.
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  • Boot camp circuits use traditional, military-style exercises such as jumping jacks, squat thrusts, sprints, sit-ups and push-ups.
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  • Examples of interval training include weight/aerobics circuits, aerobics/strength move circuits and single exercise intervals.
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  • Weight/aerobics circuits alternate 60 seconds to two minutes of cardiovascular activity with a set of weight lifting activity.
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  • This type of interval training is much like the weight circuits listed above, but it doesn't require any specialized equipment.
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  • Other less conventional forms of strength training at the gym include the rock climbing wall and power circuits if the gym has them available.
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  • When creating a routine, test your limits with interval training circuits and increased distance.
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  • While Belouis Some was a hit on the indie and college radio circuits, he never quite achieved mainstream success in the way that other artists on the Pretty in Pink soundtrack did.
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  • However, as integrated circuits and computer components continue to shrink, the concept of a small animal with a built-in computer-brain and artificial intelligence isn't quite as farfetched as people used to think.
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  • The first tool a web designer should reach for when creating a site is one that has no keys, plugs, or circuits.
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  • The particular sizes and descriptions of wires used are dependent upon the character of the " circuits " the longer and more important circuits requiring the heavier wire.
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  • If long circuits were worked direct with ordinary instruments, high battery power would be required in order to send sufficient Single current to actuate the apparatus.
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  • On long circuits wcrked by the Wheatstone fast-speed apparatus, and especially on those in which a submarine cable is included, it.
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  • Repeaters (or translators, as they are sometimes termed) are in Great Britain only used on fast-speed circuits; they are in no case found necessary on circuits worked by hand, or at " key speed " as it is called.
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  • One of the longest circuits upon which it has been successfully worked is that between St Petersburg and Omsk, a distance of approximately 2400 miles of iron wire, with three repeating stations.
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  • The motion communicated to rollers by the pencil serves to cut resistance in or out of the two line circuits which are connected to the rollers, and thus two independent variable line currents are obtained.
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  • The heavier cores, with the consequent advance in speed of working attainable, have necessitated the introduction of automatic sending, the instruments adopted being in general a modification of the Wheatstone transmitter adapted to the form of cable signals, while the regularity of transmission thus secured has caused its introduction even on circuits where the speed cannot exceed that of the ordinary operator's hand signalling.
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  • Heaviside in 1887 succeeded in communicating by telephonic speech between the surface of the earth and the subterranean galleries of the Broomhill collieries, 350 feet deep, by laying above and below ground two complete metallic circuits, each about 24 m.
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  • In 1885 Preece and Heaviside proved by experiments made at Newcastle that if two completely insulated circuits of square form, each side being 440 yds., were placed a quarter of a mile apart, telephonic speech was conveyed from one to the other by induction, and signals could be perceived even when they were separated by 1000 yds.
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  • The method of induction between insulated primary and secondary circuits laid out flat on the surface of the earth proves to be of limited application, and in his later experiments Preece returned to a method which unites both conduction and induction as the means of affecting one circuit by a current in another.
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  • In 1892, on the Bristol Channel, he established communication between Lavernock Point and an island called Flat Holme in that channel by placing at these positions insulated single-wire circuits, earthed at both ends and laid as far as possible parallel to each other, the distance between them being 3.3 m.
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  • Telephonic speech between these two circuits was found possible and good, the communication between the circuits taking place partly by induction, and no doubt partly by conduction.
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  • By stretching on the island and mainland parallel wire circuits earthed at each end, good telephonic communication over an average distance of 62 m.
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  • He proved that when so syntonized the circuits are inductively respondent to each other with a much less power expenditure in the primary circuit than without the syntony.
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  • Thus, in the case of one station and one moving railway carriage, there is a circuit consisting partly of the earth, partly of the ordinary telegraph wires at the side of the track, and partly of the circuits of the telephone receiver at one place and the secondary of the induction coil at the other, two air gaps existing in this circuit.
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  • If L and N are the inductances of any two circuits which have a coefficient of mutual inductance M, then M/-/ (LN) is called the coefficient of coupling of the circuits and is generally expressed as a percentage.
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  • It can be shown that if two circuits, both having capacity (C) and inductance (L), are coupled together inductively, then, when oscillations are set up in one circuit, oscillations of two periods are excited in the other differing in frequency from each other and from the natural frequency of the circuit.
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  • Electric-radiative circuits like thermal radiators are divided into two broad classes, good radiators and bad radiators.
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  • These two circuits are syntonized so that the closed or condenser circuit and the open or antenna circuit are adjusted to have, when separate, the same natural electrical time of vibration.
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  • This might possibly be true to a small extent; but, considering the small capacity of the circuits he used and the nature of his receiving instrument, it is hardly probable that duration of contact sensibly influenced the result.
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  • An improvement in this respect has been effected by the insertion of condensers in the cord circuits, coupled with the use of two sets of impedance coils, one set on each.
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  • The impedance coils shown connected between the battery and the lines and between the latter and the transmitters are joined up non-inductively as regards the transmitter circuits, but inductively as regards the secondary circuits.
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  • At the outgoing end the circuits are multipled on the subscribers' switchboard, while at the incoming end they terminate in plugs on a special incoming junction switchboard upon which the subscribers' lines are multipled in the usual way.
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  • The call is controlled by the trunk operators, the junction circuits being equipped in such a manner that the subscribers' signals appear at the trunk exchanges, from which point disconnecting signals are sent automatically to the local exchanges, when the connexions between the trunk and the junction circuits are removed.
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  • Particulars of calls are now passed between trunk centres to a great extent over telegraph circuits superposed upon the trunk lines.
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  • The idea of automatic telephony is to substitute for the operator of the manual exchange an electromechanical or other switching system, which, controlled in its movement by the action of the subscriber, will automatically select, connect and disconnect circuits as desired.
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  • Another method of distribution, largely adopted, is to run the lead cables into the interior of blocks of buildings, and to terminate them there in iron boxes from which the circuits are distributed to the surrounding buildings by means of rubber-covered wires run along the walls.
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  • There are now four circuits between London and Paris, one between London and Lille, and two between Londofi and Brussels, the last carrying an increasing amount of traffic. Experiments have been made in telephonic communication between London and Rome by way of Paris.
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  • It was a time of rapid expansion, marked by great missionary fervour, and may be called the Circuit Period, for even after the circuits were grouped into districts in 1821 they did not lose their privilege of missionary initiative.
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  • Many circuits terminated in large teleprinter rooms with anything up to 200 machines.
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  • The conductors used for subscribers' circuits are of copper weighing from 10 to 20 lb per mile.
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