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 - Conceptual Questions - Page 652: 19

Answer

An ammeter is used to measure current when it is in series with a circuit element. If it has a small resistance, there will be very little voltage across it, so it will not affect the voltage across it, nor its current.

Work Step by Step

An ammeter is used to measure current when it is in series with a circuit element. If it has a small resistance, there will be very little voltage across it, so it will not affect the voltage across it, nor its current.
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