Absolute Measurements in Electricity and MagnetismMacmillan and Company, 1889 - 384 sider |
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Side xiii
... Tests for Insulation 128 131 Theory of . . . 133 Grades of Sensibility . Vertical Electrostatic Voltmeter ( Sir W. Thomson's ) Graduation of Vertical Electrostatic Voltmeter . 136 • • 138 141 Multicellular Voltmeter ( Sir W. Thomson's ) ...
... Tests for Insulation 128 131 Theory of . . . 133 Grades of Sensibility . Vertical Electrostatic Voltmeter ( Sir W. Thomson's ) Graduation of Vertical Electrostatic Voltmeter . 136 • • 138 141 Multicellular Voltmeter ( Sir W. Thomson's ) ...
Side 3
... shall take some of Sir William Thomson's as examples , and after describing them , show how they may be graduated , or their graduation tested , by the experimenter himself . It will be convenient to B 2 INTRODUCTORY . 3.
... shall take some of Sir William Thomson's as examples , and after describing them , show how they may be graduated , or their graduation tested , by the experimenter himself . It will be convenient to B 2 INTRODUCTORY . 3.
Side 59
... tested , and if it agrees nearly with the former measurements the coil may be relied on . The ring carrying the coil thus made should then be fixed to a convenient stand in such a manner that if necessary it can be easily removed . The ...
... tested , and if it agrees nearly with the former measurements the coil may be relied on . The ring carrying the coil thus made should then be fixed to a convenient stand in such a manner that if necessary it can be easily removed . The ...
Side 60
... tested by finding whether the same current reversed produces equal de- flections on the two sides of zero . To test whether the centre of this divided circle is accur- ately under the centre of the needle supposed at the centre of the ...
... tested by finding whether the same current reversed produces equal de- flections on the two sides of zero . To test whether the centre of this divided circle is accur- ately under the centre of the needle supposed at the centre of the ...
Side 122
... tested , is employed ( as in the ordinary mode of using the quadrant electrometer ) is said by Sir William Thomson to be heterostatic ; if the electrification being tested is alone employed it is said to be idiostatic . They are placed ...
... tested , is employed ( as in the ordinary mode of using the quadrant electrometer ) is said by Sir William Thomson to be heterostatic ; if the electrification being tested is alone employed it is said to be idiostatic . They are placed ...
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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.