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 309
y magnetisedanchor ring, as shown in Fig. 167,must likewise have the value iirA. This result is also arrived at byobserving that a complete anchor-Iinghas zero potential and field every-where, since it consists of closed fila-ments ; cutting a thin gap across itis equivalent to removing a magnetic… … Fig. 167. 191] SPHERICAL SHELL 287 (iv.) Assemblage of a large number of Small Magnets ivitJi Axesindiscriminately directed. — If dAI is the moment of a single magnetic particle, the potential due to it is -—_^ • The angle a may have any possible value, and cos a will therefore be on theaverage as…
Electricity · Magnetism
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