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A bimetallic strip made of aluminium and...

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

A

remain straight

B

get twisted

C

will bend with aluminium on concave side

D

will bend with steel on concave side.

Text Solution

Verified by Experts

The correct Answer is:
D
Since `alpha_(al) gt alpha_("steel")` so on heating the bimetallic strip, aluminium strip will expand more than that of steel strip.
Due to it, steel strip will bend on concave side.
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