Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 477
multiplied by the current, gives theimpressed E. M. F. The action of capacity in a circuit is exactlythe opposite to that of self-induction. Self-induction makes the current lag behind theE. M. F., while capacity makes the currentlead the E. M. F. It is possible, therefore, t«>have a circuit in… … ALTERNATING CURRENTS. 459 the angle <I>. Capacity, on the other hand, would make the currentlead the E. M. F., as shown in B, Fig. 398. In Exp. 103, r 399, Fig. 389, the E. M. F., E„ across the lamp willbe in phase with the current, L being a non-inductive resistance ;
Electricity · Magnetism
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