Elementary treatise on electricity and magnetism : (1905)
Foster, G. C. (George Carey), 1835-1919, Joubert, J. (Jules François), 1834-1910, Porter, Alfred W. (Alfred William), 1863-1939 · London ; New York ; Bombay : Longmans, Green, and Co. · leaf 422
repulsionbetween the two ciicuits. Fig.281 represents one of his expeii-ments. An electromagnet is tra-versed by a powerful alternatingcurrent: when a ring is broughtnear one end and left to itself, itis strongly repelled. The electrodyuamic force ateach instant is propoitional to theproduct of the… … Fig. 281. 335] ELIHU THOMSONS EXPERIMENTS 399 In Figs. 282 and 283, two sine curves, a and a, have beentraced with the same period, but with amplitudes which areas 4:1. The ordinates of the curve b are taken equal to theproducts of the corresponding ordinates of A and a, and aredrawn above the line…
Electricity · Magnetism
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