Download Problem 3.2 Apply nodal analysis to determine Vx in the circuit of Fig

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Transcript
Problem 3.2 Apply nodal analysis to determine Vx in the circuit of Fig. P3.2.
2Ω
1Ω
2Ω
V
3A
+
4 Ω Vx
_
Figure P3.2: Circuit for Problem 3.2.
Solution: At node V , application of KCL gives
V
V
−3+
= 0,
2+1
2+4
which leads to
V = 6 V.
By voltage division,
Vx =
V ×4 6×4
=
= 4 V.
2+4
6
c
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