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 331
fference inthe two pressures is required to overcome the opposition due to theself-induction. 299. Neutralizing the Effects of Self-induction—In-ductive and Non-inductive Circuits.—Self-induction in acoil may be neutralized by winding one-half of the coil in aright-hand direction and the remainder… … Fig. 281.—Effects of Self-induction. ELECTROMAGNETIC INDUCTION. 313 nals will be conveniently arranged for connection. The mag-netic effects of the current flowing in one direction neutralizethose of the same current flowing in the opposite directionand the coil now offers practically the same…
Electricity · Magnetism
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