Elementary treatise on electricity and magnetism (1903)
Foster, George Carey, 1835-1919, Joubert, Jules François, 1834-1910. Traité élémentaire d'électricité, Porter, Alfred William, 1863- joint author · London, New York, Longmans, Green, and co. · leaf 360
Fig. 224. of a circle, as this comprises the greatest area within a givenperimeter. This is the true explanation of a well-known experiment ofAmpere, which he regarded as proving that two consecutiveelements of the same current repel one another. Two .quantities of mercury (Fig. 225), separated by… … FiG. 225. lating partition, are connected by an iron wire, bent so as toform two parallel horizontal branches, np and rq, connected bya cross-piece, J9^. When connection is made with a battery bythe cups B and f, the wire glides on the surface of the mercuryaway from the points by which the current…
Electricity · Magnetism
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