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 365
um and in coil a, zero, and so on. There will thus always 846 PRACTICAL ELECTRICITY. be current flowing in one of the two coils, so that if they arf,properly joined to an external circuit the current will be lesspulsating than when a single coil is used. This is depictedin the current curve of Fig.… … -Graphical Representation of aDirect Current. curve in Fig. 321. ?3- z - ^B. direct cur-323. The T n\ ) Revolut Ml O*. /on i Fig. 322.—Graphical Representation of a Direct Current. Fig. 321.- The armatures of dy-namos are wound with many coils of wire, so that the currentmay be continuous in the…
Electricity · Magnetism
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