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Consider the situation shown in figure. ...

Consider the situation shown in figure. The force F is equal to mg. If area of cross-section of the string is A and its Young's modulus is Y, the strain developed in the wire is (the string is light and there is no friction anywhere)

A

`(mg)/(AY)`

B

`(2mg)/(AY)`

C

`(mg)/(2AY)`

D

`(3mg)/(2AY)`

Text Solution

Verified by Experts

The correct Answer is:
A
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