Conceptual Physics (12th Edition)

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

Chapter 24 - Think and Discuss: 82

Answer

See below.

Work Step by Step

Each current-carrying coil becomes an electromagnet. The situation can be envisioned as a line of little bar magnets, and each magnet (i.e., coil) is magnetically attracted to its neighbors in front of it, as well as behind it.
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