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

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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