Absolute Measurements in Electricity and MagnetismMacmillan and Company, 1889 - 384 sider |
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Side x
... Action . 43 44 Definitions of Unit Current derived from Unit Pole . 44 Equivalence of Current - Circuit and Magnetic Shell . C.G.S. Unit of Current . . . 44 47 CHAPTER IV . MEASUREMENT OF A CURRENT IN ABSOLUTE UNITS , AND PRACTICAL ...
... Action . 43 44 Definitions of Unit Current derived from Unit Pole . 44 Equivalence of Current - Circuit and Magnetic Shell . C.G.S. Unit of Current . . . 44 47 CHAPTER IV . MEASUREMENT OF A CURRENT IN ABSOLUTE UNITS , AND PRACTICAL ...
Side xiii
... Action 96 Standard Centi - ampere Balance 99 Standard Deka - ampere Balance 104 Standard Kilo - ampere Balance 104 Use of Centi - ampere Balance as a Voltmeter Standard Composite Balance 104 107 Use of , as Voltmeter 109 " " 99 ...
... Action 96 Standard Centi - ampere Balance 99 Standard Deka - ampere Balance 104 Standard Kilo - ampere Balance 104 Use of Centi - ampere Balance as a Voltmeter Standard Composite Balance 104 107 Use of , as Voltmeter 109 " " 99 ...
Side 11
... action of the magnet on the red pole of the needle is a force of the same amount tending to pull the blue pole of the needle towards the right . The needle is , therefore , subject to no force tending to produce motion of translation ...
... action of the magnet on the red pole of the needle is a force of the same amount tending to pull the blue pole of the needle towards the right . The needle is , therefore , subject to no force tending to produce motion of translation ...
Side 18
... action of terrestrial magnetic force . The in- crease of magnetic moment may be determined by the following method , which is due to Mr. Thomas Gray . Place the magnet within , and near the centre of , a helix , considerably longer than ...
... action of terrestrial magnetic force . The in- crease of magnetic moment may be determined by the following method , which is due to Mr. Thomas Gray . Place the magnet within , and near the centre of , a helix , considerably longer than ...
Side 27
... action of the magnet ( an assumption not seriously erroneous in the case of the thin magnets and the distances used ) ; the distance between them can be calculated from the results of deflection experiments in the side - on and end - on ...
... action of the magnet ( an assumption not seriously erroneous in the case of the thin magnets and the distances used ) ; the distance between them can be calculated from the results of deflection experiments in the side - on and end - on ...
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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.