ECE 201 Circuits & Systems I
Name:
Fall 2009
Homework #4 (Due: Friday, October 9, 2009) {8 problems total}
Circle or box your answer (don’t forget units).
Staple any additional paper used to arrive at your answers to this sheet.
1. Use node voltage analysis to solve for the node voltages at nodes 1 and 2 identified in Figure 1.
10 mA
4 (k
)
6 (k
)
5 (mA)
2 (k
)
1
2
Figure 1
.
Circuit for node voltage analysis for problem 1.
2.
For the following circuit use node voltage analysis to find node voltages
v
1
,
v
2
, and then use these results
to determine current
i
x
.
5 (A)
3 (A)
7 (
)
4 (
)
6 (A)
8 (
)
i
x
0
1
2
Figure 2
. Circuit for node voltage analysis for problem 2.

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