Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1903)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 381
ar as useful elec-trical work. The heat so gen-erated also heats the copperwires wound upon the arma-ture core, increasing their resis-tance and the C2R loss, so thatstill more energy is wastedwhich does not appear as use-ful energy. This is calledhysteresis loss in a dynamo.337. Armature… … Fig. 347.—Magnetic Field Produced by Current Circulating Through the Armature. flowing in the direc-tion indicated, fromthe armature windingsdepicted in Fig. 347,a N and a S-pole areproduced at diametri-cally opposite points,Where the current en-ters and leaves thearmature by thebrushes, just as in…
Electricity · Magnetism
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