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The resistance of a 10 m long wire is 10Ω . Its length is increased by 25 % by stretching the wire uniformly.

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The resistance of a 10 m long wire is 10Ω . Its length is increased by 25 % by stretching the wire uniformly. The resistance of wire will change to (approximately) 

(a) 12.5Ω

(b) 14.5Ω

(c) 15.6Ω

(d) 16.6

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Correct option(c)

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