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A wire of length L and radius a rigidlyl...

A wire of length L and radius a rigidlyl fixed at one end. On stretching the other end of the wire with a force F, the increase in its length is L, if another wire of same material but of length 2 L and radius 2 a is stretched with a force 2 F, the increase in its length will be

A

L//4

B

L

C

L//2

D

2 L

Text Solution

Verified by Experts

The correct Answer is:
B
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