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Resistance of a cylindrical wire is 5Ω.

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Resistance of a cylindrical wire is 5Ω. If length is increased by 5 times by stretching then new resistance is

(1) 100Ω
(2) 125Ω
(3) 150Ω
(4) 175Ω

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Correct option is (2) 125Ω

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