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 300
e circuit is closed, the cur-rents being in opposite directions repel each other, and the wires move apart as depicted, accord-ing to the principles of \ 269. In the right-hand dia-gram, Fig. 245, the currentsin the parallel wires are inthe same direction and thepolarities of the adjacentwires… … Fig. 247.—Attraction and EepulsionBetween Parallel Currents. 2S2 PRACTICAL ELECTRICITY.
Electricity · Magnetism
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