MHT CET Physics question

Physics Current Electricity MHT CET

In comparing e. m. f. of two cells by a potentiometer balance point is obtained on 5th wire, the current flowing through the wire is taken

(A)From both cells
(B)From one cells
(C)From the main battery of circuitCorrect
(D)None of these

Answer: (C)

Solution

The current through the potentiometer wire is supplied only by the driver (main) battery;

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Question ID VK-045015