A wire of length L and area of cross section A is made of material of Young's modulus Y. It is stretched by an amount x. The work done in stretching the wire is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
: The work done by the external force in a further extension 
is
Total work done by the external force stretching it by an amount 
is,
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