Absolute Measurements in Electricity and MagnetismMacmillan and Company, 1889 - 384 sider |
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Side 11
... described above is adopted , the value of tan ◊ is easily obtained , for the number of divisions of the scale which measures the deflection , divided by the number of such divisions in the distance of the scale from the mirror , is ...
... described above is adopted , the value of tan ◊ is easily obtained , for the number of divisions of the scale which measures the deflection , divided by the number of such divisions in the distance of the scale from the mirror , is ...
Side 18
... described above . Care must of course be taken in experimenting to eliminate the deflection of the magnetometer needle caused by the current in the coil . This is easily done by observing the deflection produced by the current when the ...
... described above . Care must of course be taken in experimenting to eliminate the deflection of the magnetometer needle caused by the current in the coil . This is easily done by observing the deflection produced by the current when the ...
Side 21
... described above , of a light mirror about • 8 cm . in diameter , suspended by a single silk fibre within a recess in a block of wood , and carrying on its back two magnets each 1 cm . long and '08 cm . in diameter . Two holes cut in the ...
... described above , of a light mirror about • 8 cm . in diameter , suspended by a single silk fibre within a recess in a block of wood , and carrying on its back two magnets each 1 cm . long and '08 cm . in diameter . Two holes cut in the ...
Side 25
... described below . d Scale 4 Full Size FIG . 4 . After the deflection observations for a particular magnet had been completed , the magnetometer was removed and the deflector stand put in its place . The magnet was suspended from the ...
... described below . d Scale 4 Full Size FIG . 4 . After the deflection observations for a particular magnet had been completed , the magnetometer was removed and the deflector stand put in its place . The magnet was suspended from the ...
Side 27
... described above , since the effect of the distribution is opposite in the two cases . For if r be the distance for the end - on position , the deflection , and r ' , ' the distance and deflection for the side - on position , we have by ...
... described above , since the effect of the distribution is opposite in the two cases . For if r be the distance for the end - on position , the deflection , and r ' , ' the distance and deflection for the side - on position , we have by ...
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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.