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 365
the current pro-duced by the two coilsacting together in thesame circuit. The cur-rent is thus never zeroin the line as in thecurve in Fig. 321.The armatures of dy-namos are wound Avith many coils of wire, so that the currentmay be continuous in the external circuit. 326. Gramme Ring Armature.—A… … -Graphical Representation of aDirect Current. P^ L^ I Revolution \ enamgjoined to the beginning of the adjacent coil, so that the Fig. 322.—Graphical Representationwinding forms a complete of a Direct Cm-rent, closed circuit, or the coils are all in series. At the junctionof each coil with its…
Electricity · Magnetism
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