Two materials having temperature coefficients of 0.004 and 0.0004 respectively a

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Question
Two materials having temperature coefficients of 0.004 and 0.0004 respectively are joined in series. The overall temperature coefficient is likely to be
Options
A. 0.08
B. 0.04
C. 0.001
D. 0.0001

Correct Answer

0.001

Explanation

The overall temperature coefficient will be less than 0.004 and more than 0.0004.

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