Permanent magnets and electromagnets are different. The poles of an electromagnet can be altered while those of a permanent magnet cannot be changed. Explain how this is possible and why
Permanent magnets and electromagnets are different. The poles of an electromagnet can be altered while those of a permanent magnet cannot be changed. Explain how this is possible and why
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter22: Magnetic Forces And Magnetic Fields
Section: Chapter Questions
Problem 10CQ: Can a constant magnetic field set into motion an electron initially at rest? Explain your answer.
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Permanent magnets and electromagnets are different. The poles of an
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