College Physics
4th Edition
ISBN: 9780134610467
Author: Knight, Randall Dewey, Jones, Brian, Field, Stuart
Publisher: Pearson,
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Textbook Question
Chapter 21, Problem 78GP
Two 2.0-cm-diameter disks spaced 2.0 mm apart form a parallel-plate capacitor. The electric field between the disks is 5.0 × 105 V/m. electric field between the disks is 5.0 × 105 V/m.
a. What is the voltage across the capacitor?
b. How much charge is on each disk?
c. An electron is launched from the negative plate. It strikes the positive plate at a speed of 2.0 × 107 m/s. What was the electron's speed as it left the negative plate?
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Chapter 21 Solutions
College Physics
Ch. 21 - By moving a 10 nC charge from point A to point B,...Ch. 21 - Charge q is fired through a small hole in the...Ch. 21 - Prob. 3CQCh. 21 - Prob. 4CQCh. 21 - An electron moves along the trajectory from i to f...Ch. 21 - As shown in Figure Q21.7, two protons are launched...Ch. 21 - Prob. 7CQCh. 21 - Figure Q21.9 shows two points inside a capacitor....Ch. 21 - A capacitor with plates separated by distanced is...Ch. 21 - Prob. 10CQ
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