Electricity simplified. The practice and theory of electricity .. (1891)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · New York, N. W. Henley & co. · leaf 99
lines of force, as regards its directionand polarity. Again, we find in the repulsion oflines of force of like polarity a version of the spread-ing out of lines which has already been spoken of(pp. 79 and 80). In the attraction of lines offorce of opposite polarity we find the reverse stateof… … Fig. 25.—Active Spiral Conductor Developing Lines of Force. rings will blend, and approximately elliptical ring-shaped lines of force will be produced. Eesistancehas been spoken of in connection with currents. Ithas its analogue, called reluctance, in connectionwith lines of force. These go more…
Electricity
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