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Longitudinal Stress

If the tensil...

Question

If the tensile force is suddenly removed from a wire then its temperature will

A

decrease

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B

increase

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C

become zero

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D

remain constant

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Solution

The correct option is B increase
When the tensile force is suddenly removed from a wire, the wire will be compressed and the compressive force will increase. As compressive force , $F = A Y α θ$ , so temperature $(θ)$ will be increased.

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