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A wire of resistance 4 Omega is stretche...

A wire of resistance `4 Omega` is stretched to twice its original length. The resistance of stretched wire would be

A

`2Omega`

B

`4 Omega`

C

`8 Omega`

D

`16 Omega`

Text Solution

Verified by Experts

The correct Answer is:
D
At constant volume
`R prop l^(2)`
`rArr R'=4R=16Omega`
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