A rod of semiconducting material of length L = 10 m and cross-sectional area A = 4.5 mm² lies along the x-axis between æ = 0 and a = L. The material obeys Ohm's law, and its resistivity varies along the rod according to p = Po ( 1 L² where po = 5 x 1o 42 · m. The end of the rod at a = 0 is at a potential Vo = 30 V greater than the end at æ = L. %3D A) What is the total resistance, in units of N, of the rod?

A rod of semiconducting material of length L = 10 m and cross-sectional area A = 4.5 mm² lies along the x-axis between æ = 0 and a = L. The material obeys Ohm's law, and its resistivity varies along the rod according to p = Po ( 1 L² where po = 5 x 1o 42 · m. The end of the rod at a = 0 is at a potential Vo = 30 V greater than the end at æ = L. %3D A) What is the total resistance, in units of N, of the rod?

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 9CQ

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