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Q: What is the energy stored per unit volume when a wire of length L is extended to L by applying the tension force F?
  • A. (FL²) ÷ 2
  • B. (F∆L) ÷ (2L)
  • C. (F∆L) ÷ (2AL)
  • D. F ÷ (2AL)
Correct Answer: Option C -
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Explanations:

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