Absolute Measurements in Electricity and MagnetismMacmillan and Company, 1889 - 384 sider |
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Side 56
... electrodes of the instrument , which are preferably two well - insulated wires twisted to- gether , and so long that no loop of the circuit , caused by binding screws or any other contact - making arrangement , is near the needle . Thus ...
... electrodes of the instrument , which are preferably two well - insulated wires twisted to- gether , and so long that no loop of the circuit , caused by binding screws or any other contact - making arrangement , is near the needle . Thus ...
Side 58
... electrodes to which wires can be attached the ends of the strip are brought out side by side in the plane of the ring with a piece of thin vulcanite or paper between for insulator . Insulated wires are soldered to the ends of the circle ...
... electrodes to which wires can be attached the ends of the strip are brought out side by side in the plane of the ring with a piece of thin vulcanite or paper between for insulator . Insulated wires are soldered to the ends of the circle ...
Side 63
... electrodes closely twisted together , and several yards in length , by which the in- strument could be joined to any circuit in which it might be required . The end of the wire which had to be carried from the further extremity of the ...
... electrodes closely twisted together , and several yards in length , by which the in- strument could be joined to any circuit in which it might be required . The end of the wire which had to be carried from the further extremity of the ...
Side 104
... electrodes , so that the instru- ment can be placed in an electric - light current without perceptibly increasing its resistance . In this balance ( and in the similar hekto - ampere balance adapted for currents from 6 to 600 amperes ) ...
... electrodes , so that the instru- ment can be placed in an electric - light current without perceptibly increasing its resistance . In this balance ( and in the similar hekto - ampere balance adapted for currents from 6 to 600 amperes ) ...
Side 107
... electrodes , E , E1 . The coils of the pair at the other end , and the coils on the beam , are of fine wire , as in the centi - ampere balance , and can be joined in the manner described below with a pair of electrodes T , T1 . The ...
... electrodes , E , E1 . The coils of the pair at the other end , and the coils on the beam , are of fine wire , as in the centi - ampere balance , and can be joined in the manner described below with a pair of electrodes T , T1 . The ...
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amperes angles arrangement balance battery brass C.G.S. units C₂ cell centimetres centre coil comparison condenser conductor connected constant convenient copper cross-sections current flowing current strength deflection denote density described determined difference of potential dimensional formula distance E₁ electrical efficiency Electricity and Magnetism electrodes electromagnetic electromotive force electrostatic equal equation fixed give given graduated grammes Hence horizontal induction instrument insulated joined in series kathode Lord Rayleigh machine magnetic field means ment method motor movable ring n² L² nearly needle numerical obtained Ohm's law ohms piece placed plane plate points pole position potential galvanometer practical unit quantity of electricity r₁ R₂ ratio rheostat round scale screws self-induction shown in Fig Sir William Thomson slider sliding standard surface temperature terminals thick turned unit of length V₁ V₂ velocity vertical voltmeter volts vulcanite wattmeter weight Wheatstone's Bridge wire wire coils zero
Populære avsnitt
Side 385 - With the Mathematical Elements of Music. Designed for the Use of Students in the University. Second Edition, revised and enlarged. Crown 8vo. gs. A TREATISE ON MAGNETISM. Designed for the Use of Students in the University.