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A wire of cross sectional ara A at temmp...

A wire of cross sectional ara A at temmperature T is held taut with negligible tension between two ridig supports . If the wire is cooled to a temperature `(T-DeltaT)`, what tension is developed in the wire? The coefficient of linear expansion is `alpha` and the Young's modulus of the wires is Y

A

`Y A alpha DeltaT`

B

`(Y alpha DeltaT)/A`

C

`(A alpha DeltaT)Y`

D

`(YA)/(alpha DeltaT)`

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PHYSICS GALAXY - ASHISH ARORA-HEAT AND THERMAL EXPANSION-NUMERICAL MCQs SINGLE OPTIONS CORRECT
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