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A bimetallic strip is made of aluminium ...

A bimetallic strip is made of aluminium and steel `(alpha_(Al)gtalpha_(steel)`. On heating, the strip will

A

remain strainght

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)gtalpha_(steel)`, so in bimetallic strip on heating, aluminium strip will expend more than that of steel strip. Due to it, aluminium strip will bend more on convex side and steel strip on side Fig. 7(EP).22.
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