Physics Technology Update (4th Edition)

Published by Pearson
ISBN 10: 0-32190-308-0
ISBN 13: 978-0-32190-308-2

Chapter 22 - Magnetism - Problems and Conceptual Exercises - Page 795: 55

Answer

Terminal A

Work Step by Step

We know that according to the right hand rule, the current in the loop is in a counter-clockwise direction. As the conventional current is from the positive terminal to the negative terminal, thus terminal A should be the positive terminal of the battery.
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