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: P1.43

Answer

$V_d = 7V$ $V_g = 19V$ $V_e = 24V$ $V_c = -27V$

Work Step by Step

We use Kirchhoff's Voltage Law: $-3 -V_d + 10 = 0 \\ -V_d = -7 \\ V_d =\fbox{ 7V}$ We use Kirchhoff's Voltage Law and the result from $V_d$: $ -V_g +12 + 7 = 0 \\ -V_g = -19 \\ V_g = \fbox{19V}$ We use Kirchhoff's Voltage Law and the result from $V_g$: $ -V_e +19 + 5 = 0 \\ -V_e = -24 \\ V_e = \fbox{24V}$ We use Kirchhoff's Voltage Law and the result from $V_e$: $ V_c +24 + 3= 0 \\ V_c = \fbox{-27V}$
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