Young's modulus of the material of a wire is \( Y \). On pulling the wire by a force \( F \), th...

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Young's modulus of the material of a wire is \( Y \). On pulling the wire by a force \( F \), the increase in its length is \( x \). The potential energy of the stretched wire is
[BHU 2006]
(a) \( \frac{1}{2} F x \)
(b) \( \frac{1}{2} Y x \)
(c) \( \frac{1}{2} F x^{2} \)
(d) None of these
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