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 353
yobtainable from such agenerator is dependentupon the mechanicalenergy supplied. Inthe circuit external to adynamo the E. M. F.causes the electricity toflow from a higher orpositive potential to alower or negative potential, just as water flows from a higherto a lower level. In the internal circuit… … Fig. 303.—Bipolar Dynamo or Motor. DYNAMO ELECTRIC MACHINES. 335 ^^ Irf
Electricity · Magnetism
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