Elementary treatise on electricity and magnetism : (1905)
Foster, G. C. (George Carey), 1835-1919, Joubert, J. (Jules François), 1834-1910, Porter, Alfred W. (Alfred William), 1863-1939 · London ; New York ; Bombay : Longmans, Green, and Co. · leaf 478
plica-tion of the following problem :—Two points, A and b, of arB circuit (Fig. .319) are connectedby two conductors. It is re-quired to make a connection orbridge, CD, between the twobranches, such that no currentpasses by this bridge. For this it is necessary and sufficient that the two points c… … Fig. 319. (F-F)-\, and from a to d {V-V)^ a + V Consequently, for the potentials at c and d to be the same, wemust have a a! and therefore a + h a +b ah V >T, - = -, 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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