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A bimetallic strip made of aluminum and ...

A bimetallic strip made of aluminum and steel `(alpha_(Al) gt alpha_(steel))` on heating the strip will

A

remain straight

B

get twisted

C

will bend with aluminum on concave side

D

will bend with steel on concave side

Text Solution

Verified by Experts

The correct Answer is:
D
As `alpha_(Al) gt alpha` steal, aluminium will expand more. So, it should have larger radius of curvature. Hence, aluminium will be on convex side.
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