The open-circuit potential difference across the terminals of a cell b – InterviewSolution

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1.	The open-circuit potential difference across the terminals of a cell balances on 150 cm of a potentiometer wire. When the cell is shunted by a 4.9 Ω resistor, the balancing length reduces to 147 cm. The internal resistance of the cell is(A) 0.01 Ω (B) 0.05 Ω (C) 0.1 Ω (D) 1 Ω
Answer» Correct option is (C) 0.1 Ω

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