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 546
on the bridge of a Wheatstones balance, thetwo sides a and a of which are eqvial, while the two ovher sides arethe line and a resistance p put to earth. If the two resistancesare equal, it is readily seen that a current from A does not passthrough the receiver at A as the bridge is in equilibrivim,… … [^ 0 Q FiC4. 351. Fig. 352. taneously; the two receivers then give the same signal under theinfluence of the same current if the two batteries have theiropposite poles to the line, and under the influence of a localcurrent if they are arranged in the same direction—that is, so thatthe same poles…
Electricity · Magnetism
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