An electric string of length l is elastically stretched through a length e by a force F. The area of cross- section of the string is A and its Young’s modulus is E. Which of the following expressions is correct?
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Correct Answer: Option C
Explanation:
E = Stress/Strain = F/A/e/L
E = FL/AE; F = EAe/L
E = Stress/Strain = F/A/e/L
E = FL/AE; F = EAe/L