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 518
icient tocon-sider the following problem :— Two points, A and b, of acircuit (Fig. 319) are connectedby two conductors. It is re-quired to make a connection orbridge, cd, between the twobranches, such that no current passes by this bridge. For this it is necessary and sufficient that the two points… … Fig. 319. (F- V) a+b and from a to D (r-F)-Ar,.^ ^ a + h Consequently, for the potentials at c and d to be the same, wemust have a a and therefore a + & a + b^ ah T i-L -, = —., or ab = ab;a b in other words, the resistances of any two adjacent sides of the 496 WHEATSTONES BRIDGE [376-…
Electricity · Magnetism
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