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Agniveer Vayu or IAF Group X 4 Nov 2020 Paper

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Question : 14 of 75

Marks: +1, -0

Which of the following expressions represents the energy stored in a stretched wire? (Y = Young's modulus, S = strain)

‌
1
2
YS2
Y S²
‌
3
2
YS2
‌
1
4
YS2

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