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 284
lectiiccurrents, is called the magnetic meridian, and the vertical plane isthejVa?ie of the magnetic meridian. Over a great part of the worldthe magnetic meridian makes a comparatively small angle withthe geographical meridian : in London at the present time ratherless than 16 degrees to the W. of… … Fig. 152. directive action of a magnet, or its tendency to assume a definitedirection, is not an inherent property of a magnet as such, butdepends on some mutual action between it and the earth. 172. North and South Poles—Mutual Action of Two Magnets.—If a mngnet is balanced on a pivot, or…
Electricity · Magnetism
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