Electricity for public schools and colleges (1891)
Larden, W. (Walter), b. 1855 or 6 · London : Longmans · leaf 388
to effect the change in field, theE.M.F. of this direct induced current is much greater than is that ofthe inverse induced current; it may, indeed, be made very greatindeed. This direct induced current that occurs in the coil when thecircuit is broken is called the extra current. Expe-rivients. —… … When this circuit is complete the current flows as shown, and the galvano-meter is deflected as indicated. When the circuit is broken at E, it is easy tosee that a direct extra current in the coil would now pass round the galvano-meter in the contrary direction to that in which it before passed,…
Electricity
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