A cylindrical resistor of radius 3.9 mm and length 2.0 cm is made of material that has a resistivity of 4.9 x 10-5 2-m. What are (a) the magnitude of the current density and (b) the potential difference when the energy dissipation rate in the resistor is 0.87 W? (a) Number Units (b) Number Units

A cylindrical resistor of radius 3.9 mm and length 2.0 cm is made of material that has a resistivity of 4.9 x 10-5 2-m. What are (a) the magnitude of the current density and (b) the potential difference when the energy dissipation rate in the resistor is 0.87 W? (a) Number Units (b) Number Units

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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