College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 18 - Basic Electric Circuits - Learning Path Questions and Exercises - Multiple Choice Questions - Page 651: 19

Answer

(b) much smaller than 1k-ohm.

Work Step by Step

An ideal ammeter should have zero resistance so that no voltage drop can arise across it. This means that an ammeter should have resistance much smaller than that of the resistor being measured. In this case the resistance of the ammeter should be as small as possible.
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