A bimetallic strip of brass and steel, each having 1 cm at 20 °C is heated to 120 °C. It bends with brass on outer side. If α of brass is 17 \times 10^{-6}\°C and α of steel is 12\times 10^{-6}\°C , radius of curvature of curved surface is

AP and TS EAMCET Engineering Model Paper 20

Question : 97 of 160

Marks: +1, -0

A bimetallic strip of brass and steel, each having 1 cm at 20 °C is heated to 120 °C.
It bends with brass on outer side. If α of brass is 17×10−6\°C and α of steel is 12×10−6\°C , radius of curvature of curved surface is

20 m
16.6 m
20 cm
3.3 m

Validate

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