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 293
case be the actual field there. Moreover, while our experi- … FiG. 172. mental methods remain as coarse as they are, the actual value isaltogether beyond our reach. 198. Magnetic Induction.—But, as we shall now proceed toshow, its average value over any cross-section, large compared withthe magnitude of a molecule though small compared with themagnet itself,…
Electricity · Magnetism
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