Electrical Engineering: Principles & Applications (6th Edition)

Published by Prentice Hall
ISBN 10: 0133116646
ISBN 13: 978-0-13311-664-9

Chapter 1 - 1.5 - Problems - Kirchhoff's Voltage Laws - Page 39: P1.48

Answer

6 batteries are needed, connected in series.

Work Step by Step

Diagram attached.
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