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A wire elongastes by 1.0 mm when a load ...

A wire elongastes by 1.0 mm when a load W ils hung from it. If this wire goes over a pulley and two weights W each are hung at the two ends the elongation of the wire will be

A

zero

B

`l//2`

C

`l`

D

`2l`

Text Solution

Verified by Experts

The correct Answer is:
C
Same tension `e alpha F`
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