Conceptual Physics (12th Edition)

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

Chapter 24 - Reading Check Questions (Comprehension): 13

Answer

The direction of the magnetic field around a straight current-carrying wire is in the form of concentric circles. The direction of the field is tangent to these concentric circles.

Work Step by Step

This is discussed on page 458, but a picture is worth a thousand words. The direction of the magnetic field is illustrated in Figures 24.8, 24.9, and 24.10a.
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