When a force is applied on a wire of uniform cross-sectional area \[3\ – McqOptions

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1.	When a force is applied on a wire of uniform cross-sectional area \[3\times {{10}^{-6}}\,{{m}^{2}}\]and length 4m, the increase in length is 1 mm. Energy stored in it will be \[(Y=2\times {{10}^{11}}\,N/{{m}^{2}})\] [MP PET 1995; Pb. PET 2002]
A.	6250 J
B.	0.177 J
C.	0.075 J
D.	0.150 J
Answer» D. 0.150 J

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