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Q. |
Which of the following is true for bimetallic type thermometer? |
A. | two metals have same temperature coefficients |
B. | two metals have different temperature coefficient |
C. | one metal is cooled always |
D. | none of the mentioned |
Answer» B. two metals have different temperature coefficient | |
Explanation: in a bimetallic type thermometer, two metals are used which are different in temperature coefficients. |
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