Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 25 - Think and Explain: 86

Answer

No, they would not exist.

Work Step by Step

Electromagnetic waves depend on electric and magnetic fields mutually refreshing each other to sustain themselves. A changing electric field creates a changing magnetic field, and a changing magnetic field creates a changing electric field. The two fields carry themselves and each other along in this way, traveling at an incredible 299,792,458 m/s through outer space. If the relationship were one-way, electromagnetic waves would not exist.
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