Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 582
pole pieces of the field magnet. As these linesare cut by the horizontal parts of the rotating wire, an E.M.F.is generated in these parts, and a current flows in the direc-tion indicated by the arrows. Apply the preceding rule for determining the direction ofthe current by letting the forefinger of… … Fig. 451. 562 ETHEE, DYNAMICS. end portions of the loop do not cut lines of force, and there-fore no E.M.F. is generated in them, and they are dead wire,— simply serving as conductors to complete the circuit. Ametallic or carbon brush, m, touches and carries off the cur-rent from the lower…
Physics
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