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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. If the wire is stretched by an amount x, the work done is :

A

`(YA)/Lx`

B

`(YA)/Lx^2`

C

`(YA)/2Lx`

D

`(YA)/2Lx^2`

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • A wire of length L and area of cross section A is made of a material of Young's modulus Y. If it is stretched by an amount x, the work done is given by

    A
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    B
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    Y
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