A wire of length L is stretched by a length ? when a force F is applie – McqOptions

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1.	A wire of length L is stretched by a length ? when a force F is applied at one end. If the elastic limit is not exceeded the amount of energy stored in the wire is
A.	F?
B.	(F?)
C.	F? 2/L
D.	F?2
Answer» C. F? 2/L

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