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 300
other, and the wires move apart as depicted, accord-ing to the principles of r 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… … 282 PR A CTICA L ELECTRICITY.
Electricity · Magnetism
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
