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If a copper wire is stretched to make it...

If a copper wire is stretched to make it `0.1%` longer wha is the percentage change in its resistance?

A

increases by `0.2%`

B

decreases by `0.2%`

C

decreases by `0.05%`

D

increases by `0.05%`

Text Solution

Verified by Experts

The correct Answer is:
A
`Rpropl^(2)`
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