MCQ
The potential energy per unit volume of a stretched wire is:
- A$\frac{1}{2} \times$ Stress $\times$ Strain $^2$
- B$\frac{1}{2} \frac{\text { Stress }}{\text { Strain }}$
- ✓$\frac{1}{2} \times$ Young Modulus of Elasticity $\times$ Strain $^2$
- D$\frac{1}{2} \times$ Young Modulus of Elasticity $\times$ Strain.
