Test Academy | A wire of length L and cross-sectional area A is made of a material of Young’s modulus Y. It is stretched by an amount x. The work done is YxA/2L, Yx²A/L, Yx²A/2L, 2Yx²A/L

Question

A wire of length L and cross-sectional area A is made of a material of Young’s modulus Y. It is stretched by an amount x. The work done is

Options :

YxA/2L
Yx²A/L
Yx²A/2L
2Yx²A/L

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