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 181
n of the cop-per ribbon, A, Fig.142, the current flowsaround the loop in thedirection of the handsof a watch as viewed H\i l^M^MUUJM^M^ Fig. 141. -Attraction of Magnetic Body (B) by theCurrents Held. In the direction of the current, The as from the nearer end.The circular whirls arealso clockwise,… … AC Fig. 142.—Polarity of a Single Turn of Wire. lines emanate again from the more distant face, that face isof N -polarity. The single turn of wire, therefore, possessespolarity similar to a bar magnet, and when free to move will take up a position inthe earths field withits N-face pointingtoward…
Electricity · Magnetism
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