A certain conductor has a free electron density of 2 x 10 30 electrons per cubic feet. Its circular cross- sectional area is 150,000 square mils and 120 meters long. Its resistivity at 30 degrees Celsius is 0.9 x 10-8 ohm-meter. If a current of 3 A passes thru this conductor, find the drift velocity in mm per second. From t = 0 to t= 4 seconds, a current linearly increases from 0 to 5 amperes. It is then constant at 5 A for x seconds. At the end of x seconds, it linearly decreases from 5 A to 3 A in 3 seconds. If the total charge is 37 Coulombs, find x.
A certain conductor has a free electron density of 2 x 10 30 electrons per cubic feet. Its circular cross- sectional area is 150,000 square mils and 120 meters long. Its resistivity at 30 degrees Celsius is 0.9 x 10-8 ohm-meter. If a current of 3 A passes thru this conductor, find the drift velocity in mm per second. From t = 0 to t= 4 seconds, a current linearly increases from 0 to 5 amperes. It is then constant at 5 A for x seconds. At the end of x seconds, it linearly decreases from 5 A to 3 A in 3 seconds. If the total charge is 37 Coulombs, find x.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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