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 83
we shall call a tuheof induction.If D is the induction at the point p, theproduct DdA of the induction into the per-pendicular section of the tube at p is what weshall speak of as the flux of induction withinFig. 28. the tube at the point in question. The tube cuts out an element d& from a… … 42] TUBES OF INDUCTION 61 element, and has the same numerical value as for the flux throughthe right section dA of the tube in question ; for if a is the anglebetween the normals to the two elements, we have dA = dS cos a D,^ = D cos a,wherefore D^dS=DdA. The total flux which traverses any surface…
Electricity · Magnetism
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