Lodge, Oliver, Sir, 1851-1940 · London, New York, Macmillan and co. · leaf 226
rwere kept still and the field reversed. But to understand the current excited in a closed CHAP. XI.] MODELS OF CURRENT INDUCTION. 207 circuit when a portion of it moves across the lines soas to embrace a greater number of them, one has totake into account the fact that the inside whirls… … Fig. 45.—Section of a uniform magnetic field with two rails and a slider in it. Ifthe slider be moved to or fro, the wheels inside get initially compressed orextended, and thereby gain or lose energy respectively, thus exciting the state ofslip known as induced current. as the circuit expands, and…
Electricity
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