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
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter21: Current And Direct Current Circuits
Section: Chapter Questions
Problem 63P
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