A laboratory course in experimental physics (1896)
Loudon, W. J. (William James), McLennan, John Cunningham, joint author · New York and London, Macmillan and Co. · leaf 260
main circuit of a battery E divides at A into twobranches, ABC and ADC, which contain the resistances a, xand b, c, respectively. Between the terminals of these resist-ances B and D a galvanometer G is inserted, and as a currentof short duration only is required, both this circuit and themain one… … Fig. 39. that on depressing the key L, no current passes through thegalvanometer. The points B and D are then at the samepotential. Denoting it by Vv and the potentials of the pointsA and C by Vx and Vs respectively, it follows from Ohms law,since the intensity of the current in each of the…
Physics
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