Conceptual Physics (12th Edition)

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

Chapter 24 - Think and Explain: 69

Answer

Place the end of one bar at the midpoint of the other.

Work Step by Step

The magnetic field of a bar magnet is strongest at the ends (page 455). Place the end of bar A at the midpoint of bar B (making the letter “T”). If there is a relatively strong attraction, bar A is the magnet, and if not, bar B is the magnet.
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