A dictionary of electrical words, terms and phrases (1896)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W.J. Johnston company · leaf 520
depressed simul-taneously, the currents sent into the line flow inthe same direction and strengthen each other. Suppose now that only the key at A, be de-pressed. The current divides equally betweenrheostat and line, the resistance eabb a e, r,being made equal to the resistance e c d R. This… … but. EarthFig.52Q. Duplex Telegraphy, Differential Method. If the keys at A, and B, are simultaneouslyclosed, the effect on the line is to add the currentof the two batteries, but each rheostat circuit istraversed by its own battery current only. The line-connected coils of the galvanometerhave,…
Electricity · Electrical engineering
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