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? प्रति इकाई आयतन में संग्रहीत ऊर्जा क्या है, जब तनन बल F लगाकर L लंबाई के तार को ∆L तक बढ़ाया जाता है।
A.
(FL²) ÷ 2
B.
(F∆L) ÷ (2L)
C.
(F∆L) ÷ (2AL)
D.
F ÷ (2AL)
Correct Answer:
Option C -
Explanations:
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