Statement 1: When the length of a conductor is stretched to double, its resistance will also get doubled.Statement 2: Resistance is inversely proportional to the length of a conductor.

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Both statements 1 and 2 are correct

Statement 1 is correct statement 2 is incorrect

Statement 1 is incorrect statement 2 is correct

Both statements 1 and 2 are incorrect

answer is D.

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Detailed Solution

R= ρ lAwhen l=2l, A=A/2Because volume V1 = V2 .∴ R' = 4ρlA

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