PhysicsEasy148×since 2002Q8000If SSS is stress and YYY is young's modulus of material of a wire, the energy stored in the wire per unit volume isAS22Y{{{S^2}} \over {2Y}}2YS2B2S2Y2{S^2}Y2S2YCS2Y{S \over {2Y}}2YSD2YS2{{2Y} \over {{S^2}}}S22YCheck answerSkip