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A metal bar of length L and area of cros...

A metal bar of length L and area of cross-section A is rigidly clamped between two walls. The Young's modulus of its material is Y and the coefficient of linear expansion is `alpha`. The bar is heated so that its temperature is increased by `theta^(@)C`. Find the force exerted at the ends of the bar.

A

`Yalt`

B

`Yaalphat`

C

`YAalphat//l`

D

`YA alpha tl`

Text Solution

Verified by Experts

The correct Answer is:
B
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