Question

A copper wire has a resistance of 2.7Ω at 100°C and 2.1Ω at 27.5°C. So, the temperature coefficient of the wire is:

0.0040 /°C

0.0039 /°C

0.0038 /°C

0.0037 /°C

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Answer 1

your answer

Explanation:

0.0038/ c pls don't forget to thank my answer and mark me as brainlist