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Three point charges are placed on the y-axis a charge q at

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman ISBN: 9780321675460 31

Solution for problem 78P Chapter 21

University Physics | 13th Edition

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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

University Physics | 13th Edition

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Problem 78P

Three point charges are placed on the y-axis a charge q at y = a, a charge ?2q at the origin, and a charge q at y = ?a. Such an arrangement is called an electric quadrupole. (a) Find the magnitude and direction of the electric field at points on the positive x-axis. (b) Use the binomial expansion to find an approximate expression for the electric field valid for x ? a. Contrast this behaviour to that of the electric field of a point charge and that of the electric field of a dipole.

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PHY 184 Week 4 Notes-Electric Potential 9/19-9/22  We have seen that gravity and electromagnetism are very similar in their behavior even going so far as to have almost identical equations 2 o Both have forces that are determined by 1/r  These forces are all conservative forces  Doesn’t depend on...

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Chapter 21, Problem 78P is Solved
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Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

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Three point charges are placed on the y-axis a charge q at

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