CBSE - XII Science - Physics - Current Electricity
The length of potentiometer wire is 5m. It is connected to a battery of constant emf..for a given leclanche cell, the position of galvanometer deflection is obtained 100 cm. If the length of the potentiometer wire be made 8 m instead of 5m, calculate the length of wire for zero deflection in galvanometer for same cell.
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