Brechner, Claude H., 1887- [from old catalog] · Boston, New York [etc.] Allyn and Bacon · leaf 213
laced so that one isinside the other, and a current is made in one, a currentis induced in the other. Also, if a current is stopped inone, a current is induced in the other, in the oppositedirection. The coil in which the current is made or stopped is calledthe primary, while the coil in which the… … Figure 211. — Induction Apparatus. Self-induction has to do with but one wire. It takes time and energy to start an automobile. Thetendency of the automobile to hold back, or stay where itis, is called inertia. The tendency for a current not to flowwhen it is being started, and to keep on flowing…
Physics
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