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The length of an iron wire is L and area...

The length of an iron wire is L and area of cross-section is A. The increase in length is `l` on applying the force F on its two ends. Which of the statement is correct

A

increase in length is inversely proportional to its length L

B

Increase in length is proportional to area of cross-section A

C

Increase in length is inversely proportional to A

D

Increase in length is proportional to Young's modulus

Text Solution

Verified by Experts

The correct Answer is:
C
(c) Elongation , `Deltal=(FL)/(YA)impliesDeltal prop (1)/(A)`
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