The electrical resistivity of copper (Cu) metal is po (T=20 °C) = 1.7 x 10* N•m at 20 °C. The temperature coefficient of electrical resistivity for Cu is, a = 390 x 10$ °C'. Calculate the temperature at which the magnitude of the electrical resistivity of Cu has increased by a factor of 2, when compared to its value at room temperature (20 °C). The temperature dependence of the resistivity is given by p(T) = po[1 + aAT]. A) Т - 154.8 °C В) т - 210 °С C) T= 276.4 °C D) T - 254.5 °C

The electrical resistivity of copper (Cu) metal is po (T=20 °C) = 1.7 x 10* N•m at 20 °C. The temperature coefficient of electrical resistivity for Cu is, a = 390 x 10$ °C'. Calculate the temperature at which the magnitude of the electrical resistivity of Cu has increased by a factor of 2, when compared to its value at room temperature (20 °C). The temperature dependence of the resistivity is given by p(T) = po[1 + aAT]. A) Т - 154.8 °C В) т - 210 °С C) T= 276.4 °C D) T - 254.5 °C

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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