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Two thin metal strips, one of brass and the other of iron are fastened together parallel to each other. Thickness of each strip is 2 mm. If the strips are of equal length at 0°C. The radius of the arc formed by the bimetallic strip when heated to 80°C is (Coefficient of linear expansion of brass = 19 × 10-6/°C & of iron = 12 × 10-6/°C).
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Correct option is A
r=2ta1−a2ΔTTalk to our academic expert!
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Two thin metal strips each of 2mm thick, one of brass and the other of iron are fastened together parallel to each other, to form a bimetallic strip. If the strips are of equal length at 0°c . The radius of the arc formed by the bimetallic strip when heated to C is (Coefficient of linear expansion of brass = and of iron = )
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