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
le of the needle is deflected as shown,but still to the left of the observer supposed to beswimming as before. In any electric circuit, the lines of magneticforce, produced by the passage of the current, formcircles around the circuit in planes atright anglesto the direction of the current, as… … 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.
Electricity · Electrical engineering
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