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Monday, 15 June 2026
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An electric string of length \(X\) is stretched through a length by force F. The area ...

An electric string of length \(X\) is stretched through a length by force F. The area of cross-section of the string is \(A\) and its young modulus is \(E\).
Which of the following expression is correct?
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  • A \(F =\frac{E A c}{x}\)
  • B \(F =\frac{E A e}{X^{2}}\)
  • C \(F =\frac{E A \varepsilon^{2}}{x}\)
  • D \(F =\frac{E A e^{2}}{X^{2}}\)
Correct Answer: Option E
Explanation:
An electric string of length \(X\) is stretched through a length by force, The area of cross-section of the string is \(A\) and its young modulus is

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