1.

A wire has a resistance of 5.5 Ω at 19oC and 21.5 Ω at 200oC. Find the temperature coefficient of resistivity(α) of the material.

A. 0.016 oC-1
B. 0.160 oC-1
C. 1.600 oC-1
D. 16.00 oC-1
Answer» B.


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