Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1902)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 374
The armature core which is introduced into the magneticcircuit to lower its rekictance, is an electrical conductor also,and when rotated in the magnetic field will have currents in-duced in it, according to the principles of electromagnetic in-duction. A certainportion of theenergy driving… … Fig. 334.—Eddy Currents in the Armature Core. internal losses of a dynamo. A section of a solid armaturecore is illustrated in Fig. 334, and the direction of the in-duced eddy currents (found by Flemings Rule, ^ 278),indicated at this particular position of the armature core inthe course of its…
Electricity · Magnetism
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