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 477
plica-tion of the following problem :—Two points, A and b, of aB circuit (Fig. 319) are connectedby two conductors. It is re-quired to make a connection orbridffe, CD, between the twobranches, such that no currentpasses by this bridge. For this it is necessary and suflS^cient that the two points c… … Fig. 319. (^^-^)^. and from a to D {v-r)-r a + V Consequently, for the potentials at c and d to be the same, wemust have a a! and therefore a + b a + b a b II , - = -„ or ab =ab;a b in other words, the resistances of any two adjacent sides of thequadrilateral, abcd, must be to each other in the…
Electricity · Magnetism
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