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: 21

Answer

$(a)$ connect the ammeter in series with the element and just before it. & $(b)$ connect the ammeter in series with the element and just after it.

Work Step by Step

An ammeter is a device for measuring current, it consists of a galvanometer and a shunt resistor in parallel. Ammeters are connected in series with the circuit element carrying the current to be measured and have very little resistance. Hence, in order to make a correct measurement of current in a circuit element the ammeter should be attached in series just before or after the element.
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