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 300
ve 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 unlike, so that attrac-tion results according to thelaw for unlike polarities.This is noted in the… … Fig. 282 PRACTICAL ELECTRICITY.
Electricity · Magnetism
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