Questions
Two metal strips that constitute a thermostat must necessarily differ in their
detailed solution
Correct option is D
Thermostat is used in electric apparatus like refrigerator, iron etc., for automatic cut off. Therefore, for metallic strips to bend on heating their coefficient of linear expansion should be different.Talk to our academic expert!
Similar Questions
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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