A wire 3.00 m long and 0.450 mm2 in cross-sectional area

Chapter 17, Problem 17.24

(choose chapter or problem)

A wire 3.00 m long and 0.450 mm2 in cross-sectional area has a resistance of 41.0at 20C. If its resistance increases to 41.4at 29.0C, what is the temperature coefcient of resistivity?

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