The resistance if a wire is 'R' ohm. If it is melted and stretched to 'n' times its original length

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The resistance if a wire is 'R' ohm. If it is melted and stretched to 'n' times its original length, its new resistance will be:
(a)𝑹/𝒏 (b) n2 R
(c) 𝑹/𝒏^𝟐 (d) nR

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