A dictionary of electrical words, terms and phrases (1898)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W. J. Johnston company · leaf 348
Fig. 373. Direction of Lines of Force. Remembering now that the lines of force aresupposed to come out at the north pole of a magnet,and to pass in at the south pole, it is evident thatif the current flows in the direction shown in Fig. … Fig. 374. Direction of Lines of Force. 374, the lines of force will come out at the northpole and pass in at the south pole. Since in a right-handed helix the wire passesaround the axis in the opposite direction to thatin which it passes in a left-handed helix, it isevident that the helices shown…
Electricity · Electrical engineering
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