(!) THE FOLLOWING QUESTIONS ARE BASED ON THE INFORMATION GIVEN HERE. A rod of semiconducting material of length L = 7 m and cross-sectional area A = 4.5 mm² lies along the x-axis between x = 0 x2 1- L2 and x = L. The material obeys Ohm's law, and its resistivity varies along the rod according to p = po where Po = 4.5 x 10-42. m. The end of the rod at x = 0 is at a potential Vo = 25 V greater than the end at x = 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: C) What is the electric potential, in units of Volt, in the rod at x = L/2? Answer: D) What is the electric-field magnitude E, in units of V/m, in the rod at x = L/2? Answer:

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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I need just the D part of the question. Thanks.

(9 THE FOLLOWING QUESTIONS ARE BASED ON THE INFORMATION GIVEN HERE.
A rod of semiconducting material of length L
7 m and cross-sectional area A
4.5 mm2 lies along the x-axis between x =
(1-
.2
and x = L. The material obeys Ohm's law, and its resistivity varies along the rod according to p = po
where
L²
Po = 4.5 x 10-4 2· m. The end of the rod at x = 0 is at a potential Vo = 25 V greater than the end at x = 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:
C) What is the electric potential, in units of Volt, in the rod at x = L/2?
Answer:
D) What is the electric-field magnitude E, in units of V/m, in the rod at x = L/2?
Answer:
Transcribed Image Text:(9 THE FOLLOWING QUESTIONS ARE BASED ON THE INFORMATION GIVEN HERE. A rod of semiconducting material of length L 7 m and cross-sectional area A 4.5 mm2 lies along the x-axis between x = (1- .2 and x = L. The material obeys Ohm's law, and its resistivity varies along the rod according to p = po where L² Po = 4.5 x 10-4 2· m. The end of the rod at x = 0 is at a potential Vo = 25 V greater than the end at x = 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: C) What is the electric potential, in units of Volt, in the rod at x = L/2? Answer: D) What is the electric-field magnitude E, in units of V/m, in the rod at x = L/2? Answer:
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