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 313
ore uniform, and directed parallel to the axis of magnetisation in the negative sense. This is also expressed by the formuljB dV 4 , dV „ dV . ---=--7r.4, ___=0, ___ = 0.ax 6 dy dz (b.) At an external j^oint.—Externally the magnet acts like an infinitesimal magnet of moment ^tt R^ A at the centre.… … Fig. 170. (vi.) EUipsoid of Revolution.—It is only in rare cases thatuniformity of internal field, as in the above example, is a conse-(|uence of uniformity of magnetisation. It can be shown to be so also in the case of an ellipsoid of revolution magnetised uni-formly in the diicction of itsaxis of…
Electricity · Magnetism
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