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A bimetallic strip is formed out of two ...

A bimetallic strip is formed out of two identical strips one of copper and the other of brass. The co-efficients of linear expansion of the two metals are `alpha_(C)` and `alpha_(B)`. On heating, the the strip bends to form an are of radius of curvature `R`. Then `R` is

A

inversely proportional to `|alpha_(B)-alpha_(C)|`

B

proportional to `DeltaT`

C

inversely proportional to `DeltaT`.

D

proportiona to `|alpha_(B)-alpha_(C)|`

Text Solution

Verified by Experts

The correct Answer is:
B, D

`R=(t)/((alpha_(B)-alpha_(C))DeltaT)`
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