Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity (1905)
American School (Chicago, Ill.) · Chicago : American School of Correspondence · leaf 46
tary current is induced in the outer coil, the same asif a magnet had been thrust into the coil. This induced currentcontinues, liowever, only while the cm-rent in the inner coil isincreasing in value from zero to its normal amount. As soon asthis normal strength is reached the induced current… … Fig. 29. 88 ELEMENTS OF ELECTRICITY. 31 tlirongh it. Such an instrument for producing induced currentsis called an induction coil. The coil through whicli the originalcurrent is passed is called the primary coil, and that in which thecurrents are induced is called the secondary coil. The…
Electrical engineering
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