Modern electricity and magnetism, theoretically and practically considered (1885)
Avery, Elroy M[cKendree], 1844- [from old catalog] · New York and Chicago, Sheldon and company · leaf 179
currents induced atM would affect the magnetism of the bar at M or the in-tensity of its attraction for the neighboring disc, a. Avibratory motion in the disc, «, would induce electriccurrents at M\ these currents, when transmitted to M,perhaps several miles distant, would affect the magnetismof… … Fig. 249. the magnet and sent a series of electrical shudders throughthe iron nerye/^ When the current generated at M flowsin such a direction as to reinforce the magnet at M\ thelatter attracts a^ more strongly than it did before. Whenthe current flows in the opposite direction, it weakens…
Electricity · Magnetism
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