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 299
part of electricity Avhich treats ofthe force exerted by one current upon another. We havejust noted the reciprocal action between a current and a mag-net, and now in electrodynamics, the mutual action of thecurrents upon each other is to be considered. Every wirethrough which a current is flowing… … Fig. 24.5.—Parallel Currents Flowing in the Same Direction Attract EachOther; if in Opposite Directions they Repel Each Other. flowing, or it may occur between wires in two independentcircuits, the action depending on the relation between thetwo magnetic fields.269. The Magnetic Fields of Parallel…
Electricity · Magnetism
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