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Transcript
Dave Shattuck
University of Houston
© Brooks/Cole Publishing Co.
Problem Solution:
The problem statement was:
Use the node-voltage method to write a complete set of independent equations that
could be used to solve this circuit. Do not attempt to solve the equations. Do not
attempt to simplify the circuit.
vS2=
5[W] iX
vS1=
3[V]
+
-
+
-
-
R1=
1[W]
R2 =
2[W]
vS3=
10 vX
R3 =
3[W]
vS4=
3[V]
vS5=
15[W] iX
vX
R4 =
4[W]
+
+
-
+
-
+
-
R6 =
6[W]
R8=
8[W]
iX
R5 =
5[W]
iS1=
7[A]
R7 =
7[W]
The first step in the solution is to identify the essential nodes, and pick one
of them as the reference node. This is done in the circuit schematic that follows.
The essential nodes are marked in red.
We pick the bottom-right node as the reference node, since that node has the
most connections. The other essential nodes are named with letters, and these
letters are used to name the node voltages.
Page 3.7.2
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