The longitudinal strain (S) developed in metallic wire on the application of deforming stress (S0). If Y is the Young modulus of the wire then,
the potential energy density store in the wire would be
1
\(\frac{1}{2}YS_{0}S^{2}\)
2
\(YS_{0}S^{2}\)
3
\(\frac{1}{2}YS^{2}\)
4
\(\frac{1}{2}Y(SS_{0})^{2}\)
5
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