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The resistance of a wire is r ohm. If it...

The resistance of a wire is r ohm. If it is melted and stretched to n times its original length , its new resistance will be

A

nR

B

`(R)/(n)`

C

`n^(2) R`

D

`(R)/(n^(2))`

Text Solution

Verified by Experts

The correct Answer is:
C
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