Elementary treatise on electricity and magnetism : founded on Joubert's "Traité élémentaire d'électricité" (1909)
Foster, G. Carey (George Carey), Porter, Alfred William, 1863-1939, Joubert, Jules François · London : Longmans · leaf 445
tly (299, 300), the part of the plate on the leftbecomes the seat of closed currents circulating like the hands ofa watch, and the part on the right the seat of closed currentscirculating in the opposite direction, as indicated in the figyre.The former are equivalent to a number of magnetic shells… … netic shells) and the fixed pole are such as to oppose the existingmotion of the plate. 326] FOUCAULT CURRENTS 423 The experiment may be easily made by means of a disc whicliis made to rotate between the poles ofan electromagnet (Fig. 273). The disc,which before the passage of the cur-rent turns…
Electricity · Magnetism
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