Lynde, Carleton John, b. 1872 · New York, Macmillan · leaf 239
one direction, and five in the other. A current which is reversed in direction a number of times a second is called an alternating N * / /// ? S current. The coil which revolvesbetween the poles of themagnet is called the arma-ture of the dynamo. It isalways wound on a softiron core because the… … FIG. 161. — Diagram of an alternating-current dynamo. INDUCED CURRENTS. THE DYNAMO 225 The alternating-current dynamo. — The current is generatedin the armature, and in order to make use of it, means mustbe provided to lead it out of the armature into an outercircuit. The chief difference between…
Physics · Home Economics
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