Which of the following is true for bimetallic type thermometer

By Rebecca
1 Min Read

Which of the following is true for bimetallic type thermometer?

A. two metals have the same temperature coefficients

B. two metals have a different temperature coefficient

C. one metal is cooled always

D. none of the mentioned

Answer:

B. two metals have a different temperature coefficient

Explanation:

Two metals with differing temperature coefficients are utilized in the construction of a bimetallic type thermometer. The side of the metal with the smallest temperature coefficients is the one that curls when a bimetallic thermometer is heated.

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