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 297
e thumb, first and secondfingers of the left hand cdl at rightangles to each other, as in Fig. 2^3,and the hand so that the first fingerindicates the direction of the linesof force of the magnet, and the secondfinger the direction of the current inthe wire; the thumb will then in-dicate the… … Fig. 243—Left-Hand Rule for Determining the Direction of Rotation of a Moving Wire in a Magnetic Field.This rule applies to motors. ELELTRODYXAMI<<. 279 a direction as to increase the magnetism of the pole, justin the automatic twisting experiment, m\ 266. This rule is very convenient for…
Electricity · Magnetism
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