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 650: 7



Work Step by Step

The current in C must equal the sum of the currents in A and B, because the addition of currents in a parallel circuit equals the current of the equivalent resistor. We know that that should equal the current through C, as the current is constant in a series circuit. Thus $$I_A + I_B = I_C$$
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