Practical applied electricity; a book in plain English, for the practical man. Theory, practical applications and examples (1911)
Moreton, David Penn, 1882- · Chicago, The Reilly & Britton co · leaf 62
he unknown resist-ance is then replaced by a known resistance and the cir- SEKIES AND DIVIDED CIKCUITS 51 cuit again closed and the deflection again noted. The cur-rent in the circuit for the two cases can be determined from the deflections of thegalvanometer. Let (Rg)represent the resistance ofthe… … E and Rg + X (61) E Ir = Rg + R (62) Since the same pressure is acting on the circuit in bothcases, and knowing the current in a circuit will vary in-versely as the resistance, the relation may be written Ix Rg + R — = (63) Ir Rg + X Calculating the value of (X) from the above equation wehaveTj Ir…
Electrical engineering
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