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
at the two adjacent sides are of the same polarity, thuscausing a force of repulsion to exist between them. Thewires tend to move away from each other. The field is very con-densed between thewires and elongatedoutside of them.Midway between thewires the lines of forceare in the same direc-tion and… … Fig. 246.—Attraction and Repulsion BetweenSuspended Tinsel Wires Carrying Currents. -Currents in the opposite direction—repulsion.-Currents in the same direction—attraction. Exp. 70: Supportfrom a suitable stand awire connector and suspend from the same two long, parallel, verticalpieces of tinsel…
Electricity · Magnetism
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