A metallic wire of length 2.0 m is elongated by 2.0 mm. Area of cross- – McqOptions

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1.	A metallic wire of length 2.0 m is elongated by 2.0 mm. Area of cross-section of the wire is 4.0 mm2. The elastic potential energy stored in the wire in elongated condition is [young's modulus of the metallic wire is \[=2\times {{10}^{11}}N/{{m}^{2}}\]]
A.	8.23
B.	0.83
C.	6.23
D.	0.63
Answer» C. 6.23

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