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 297
Fig. 242.—Rotation ofCurrent-Carrying WireAround a Mag-netic Pole. ^267. Rotation of a Current-Carrying Wire Around aMagnetic Pole.—Since the tendency of a magnet is to urge awire carrying a current to a position at right angles to it, con-tinuous rotation of the wire can be pro-duced if the wire…
Electricity · Magnetism
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