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A steel wire of length 80 cm and of area...

A steel wire of length 80 cm and of area of cross section 1.5 `mm^(2)` is stretched. Find the work done in increasing its length from 80.2 cm to 80.3 cm. `(Y=2.0xx10^(11)Nm^(-2))`

A

0.9375 J

B

0.5375 J

C

0.6374 J

D

0.8695 J

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