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The resistance of a wire is 'R' ohm. If ...

The resistance of a wire is 'R' ohm. If it is melted and stretched to `n` times its origianl length, its new resistance will be

A

`(R )/(n) `

B

`n^(2)R`

C

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

D

nR

Text Solution

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The correct Answer is:
B
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