Copper wire of certain length and resistance is drawn out to three times its length without change in volume, the new resistance of wire becomes

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Vinay Kumar

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📊 Current Electricity

Q. Copper wire of certain length and resistance is drawn out to three times its length without change in volume, the new resistance of wire becomes

(A) 1/9 times
(B) 3 times
(C) 9 times
(D) unchanged

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✅ Correct Answer: (C) 9 times

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