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A bimetallic strip is made of two strips...

A bimetallic strip is made of two strips A and B having coefficients of linear expansion `alpha_A` and `alpha_B`. If `alpha_A lt alpha_B` then on heating the strip will

A

A bend with A on outer side

B

B bend with B on outer side

C

C not bend at all

D

D none of these

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The correct Answer is:
B
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