Answered: A copper wire whose resistivity is…

A copper wire whose resistivity is 0.0043/°C at 0°C has its resistance increases by 25% of its initial value at 20°C. What is the operating temperature?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter28: Current And Resistance

Section: Chapter Questions

Problem 57PQ

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Question

A copper wire whose resistivity is 0.0043/°C at 0°C has its resistance increases by 25% of its initial
value at 20°C. What is the operating temperature?

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