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 181
B im mufti mtew&mm&ti r> per ribbon, A, Fig.142, the current flowsaround the loop in thedirection of the handsof a watch as viewedfrom the nearer end.The circular whirls arealso clockwise, if youlook along the ribbonin the direction of the current. The magnetic whirls, there-fore, all… … A CtrMU ClocLw(.« B C trr«nl A nti-Clock wi»«KJertU P.larft,. Fig. 142.—Polarity of a Single Turn of Wire. lines emanate again from the more distant face, that face iaof N-polarity. The single turn of wire, therefore, possessespolarity similar to a bar magnet, and when free to move will take up a…
Electricity · Magnetism
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