(5) Current is flowing through a cylindrical copper wire with radius 6.33mm and length 92.1cm. This wire is hooked up to two capacitors in series C1 = 9.42µF and C2 = 8.11µF. The capacitors both have cross sectional areas of A = 179cm2. (a) At a given moment in time, the current is I = 77.97A and the drift velocity of the electrons is va = 45.6µm/s. What is the number density of electrons in this wire? (b) At a given moment in time, the charge on capacitor 2 is 62.6µC. What is the total change in potential across both capacitors combined? (c) At the moment described in part (b), what is the energy stored in capacitor 2? %3D

(5) Current is flowing through a cylindrical copper wire with radius 6.33mm and length 92.1cm. This wire is hooked up to two capacitors in series C1 = 9.42µF and C2 = 8.11µF. The capacitors both have cross sectional areas of A = 179cm2. (a) At a given moment in time, the current is I = 77.97A and the drift velocity of the electrons is va = 45.6µm/s. What is the number density of electrons in this wire? (b) At a given moment in time, the charge on capacitor 2 is 62.6µC. What is the total change in potential across both capacitors combined? (c) At the moment described in part (b), what is the energy stored in capacitor 2? %3D

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 94AP: The Hall effect is to be used to find the density of charge carriers in an unknown material. A Hall...

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