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A cell is shorted with a resistance of 8Ω. Balanced length for potential difference across the cell is 3cm.

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A cell is shorted with a resistance of 8Ω. Balanced length for potential difference across the cell is 3cm. If the cell is shorted with 4Ω resistance balance length becomes 2 cm. find internal resistance of the cell.

(A) 8Ω

(B) 4Ω

(C) 2Ω

(D) 1Ω

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Correct option is  (A) 8Ω

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