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: 12

Answer

(b) they all are $-12$ volt

Work Step by Step

When we traverse each resistor arm in direction of current, we will lose the potential. And since the resistor arms are in parallel the loss in potential is equal in all three arms and is equal to $-12$ volts.
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