Advanced theory of electricity and magnetism, a text-book for colleges and technical schools (1915)
Franklin, William S. (William Suddards), 1863-1930, MacNutt, Barry, 1878-1936, joint author · New York, The Macmillan company; London, Macmillan & co., ltd. · leaf 91
electromotive force from decreasing the current.Consequently work will have to be done on the coil at the rate 8o ADVANCED ELECTRICITY AND MAGNETISM. dt ei, or Z— X i, to keep the current from increasing. That is: dW d$ • ~M=zi-Tt (3) But Zi is a constant, because i is being kept from… … Fig. 58. netic flux through the opening of the coil increases by the amountof <i> maxwells, and Z is the number of turns of wire in the coil.We shall now proceed to the proof of equation (i). Let ZZ,Fig. 58, represent a coil of Z turns of wire. Imagine NS tobe a flexible magnet. Let the north…
Electricity · Magnetism
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