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 217
ow and by two equipotential lines of potentials, N 194 APPLICATIONS OF OHMS LAW [125 U-^ and U., respectively : we can deduce the resistance of thisportion of the sheet to the current through it from the formula E^ {[J^- U.^/C derived from Ohms Law. ^o For U. we may wiite -^ log^ - L, and -^ loir^… … Fig. 119.considered meet each other at the electrodes, is to 27r. That i.s G = Qt^ : hence .TT i^ = £ • loc r,r., If we have to deal with the whole space between two completeequipotential lines, we have 6 = 2Tr and theiefore C = Q, andconsequently B = J^. log. <r^. Ittz i\r.. Fig. 119 shows the…
Electricity · Magnetism
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