A wire of length 2 m is made from 
of copper. A force F is applied so that its length increases by 2 mm. Another wire of length 8 m is made from the same volume of copper. If the force F is applied to it, its length will increase by
Text Solution
Verified by ExpertsThe correct answer is:
D
∴ ∴ 
If volume of the wire remains constant
∴ ∴ 
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