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 coefficients of linear expansion of the strip goes up by `DeltaT`and the strip bends to from an arc of radius of curvature R. Then R is.

Proportional to `DeltaT`

inversely proportional to `DeltaT`

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

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

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The correct Answer is:

B, D

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