Elementary treatise on electricity and magnetism : (1905)
Foster, G. C. (George Carey), 1835-1919, Joubert, J. (Jules François), 1834-1910, Porter, Alfred W. (Alfred William), 1863-1939 · London ; New York ; Bombay : Longmans, Green, and Co. · leaf 413
ault, who first B j^observed this, made the experi-ment in a very striking form.By means of a system of toothedwheels worked by a handle, astout disc of pure copper, d, ismade to rotate between thebranches, ab, of a powerfulelectromagnet (Fig. 276). As soon as the current passes,a considerable… … Fig. 276. 390 SPECIAL CASES OF INDUCTION [326 The term Foucault currents is applied to the induced curientsproduced in the core of an electromagnet whenever the strengthof the current in the suri-ounding wiie varies. The heafc which results from this cause is considerable whenthe wire is traversed…
Electricity · Magnetism
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