() THE FOLLOWING QUESTIONS ARE BASED ON THE INFORMATION GIVEN HERE. A rod of semiconducting material of length L= 9 m and cross-sectional area A = 4 mm2 lies along the x-axis between z = 0 and x = L. The material obeys Ohm's law, and its resistivity varies along the rod according to p = Po (1- where Po = 1 x 10-42. m. The end of the rod at x = 0 is at a potential Vo = 30 V greater than the end at a = L. A) What is the total resistance, in units of 2, of the rod? Answer: B) What is the current, in units of miliamperes, in the rod? Answer:

() THE FOLLOWING QUESTIONS ARE BASED ON THE INFORMATION GIVEN HERE. A rod of semiconducting material of length L= 9 m and cross-sectional area A = 4 mm2 lies along the x-axis between z = 0 and x = L. The material obeys Ohm's law, and its resistivity varies along the rod according to p = Po (1- where Po = 1 x 10-42. m. The end of the rod at x = 0 is at a potential Vo = 30 V greater than the end at a = L. A) What is the total resistance, in units of 2, of the rod? Answer: B) What is the current, in units of miliamperes, in the rod? Answer:

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter28: Current And Resistance

Section: Chapter Questions

Problem 68PQ

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