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 two metals are \alpha_C and \alpha_B. On heating, the temperature of the strip increases by ∆ T and the strip bends to form an arc of radius R. Then R is proportional to

EAMCET Engineering 2010 Solved Paper

Section: Physics

Question : 86 of 160

Marks: +1, -0

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 two metals are αC and αB. On heating, the temperature of the strip increases by ∆T and the strip bends to form an arc of radius R. Then R is proportional to

∆T
‌
1
∆T
√∆T
‌
1
√∆T

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