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 353
btainable from such agenerator is dependentupon the mechanicalenergy supplied. In jthe 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 0f SAP
Electricity · Magnetism
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