Answer
A galvanometer contains many coils of wire wrapped around a free-spinning magnetic compass needle. The current-carrying coil creates a magnetic field and deflects the needle.
Work Step by Step
This is discussed on page 461.
Conceptual Physics (12th Edition)
by Hewitt, Paul G.
Published by
Addison-Wesley
ISBN 10:
0321909100
ISBN 13:
978-0-32190-910-7
Chapter 24 - Reading Check Questions (Comprehension) - Page 466: 22
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