Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 858
itable resistancebetween them, the galvanometer needle will stand at zero. Whenthis condition is established, the difference of potential betweenthe points A B is equal to the electro motive force of the cell,and therefore Cr = 1.079 whence r. The galvanometer may now be inserted in the circuit M… … Fig. 534. tween the two points to which the galvanometer and standardcell are connected differs by only a fraction of a volt. In fig.534, A B is the wire carrying the current, C, to be measured. Thestandard cell, E, is closed through a high resistance, r r^ (of, say,1000 ohms). One end of the…
Electrical engineering
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