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The workdone in increasing the length of...

The workdone in increasing the length of a one metre long wire of cross `-` sectional area `1 m m^(2)` through `1mm` will be `(Y=2xx10^(11)Nm^(-2)) :`

A

`0.1J`

B

`5J`

C

`10J`

D

`250J`

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The correct Answer is:
A
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