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: P1.42


$v_a=-5V, v_c=10V, v_b=-5V$

Work Step by Step

Using the lower left loop, $-5V+v_a+10V=0$ The top loop, $v_c-15V-v_a=0$ And the lower right loop $10V-15V-v_b=0$
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