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, Macmillan · leaf 91
keep the back electromotive force from decreasing the current. Consequently work will have to be done on the coil at the rate 8o ADVANCED ELECTRICITY AND MAGNETISM. ei, or Z-j-Xi, to keep the current from increasing. That is: dt dWdt = Zi d$dt (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 $ maxwells, and Z is the number of turns of wire in the coil.We shall now proceed to the proof of equation (1). Let ZZ,Fig. 58, represent a coil of Z turns of wire. Imagine NS tobe a flexible magnet. Let the north pole of…
Electricity · Magnetism
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