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A wire of length L and cross sectional a...

A wire of length L and cross sectional area A is made of a material of Young's modulus Y . The work done in stretching the wire by an amount x is given by

A

`YAx^2)/L`

B

`(YAx^2)/(2L)`

C

`(YAL^2)/x^`

D

`(YAL^2)/(2x)`

Text Solution

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The correct Answer is:
B
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