EE 213 - Problem Set #5
1. Consider the following circuit, (a) Using superposition, solve for the voltage VX and (b)
using either Thevenin or Norton equivalent circuit techniques, solve for the voltage VX. Show
that you get the same answer.
2 A
6 Ω3 Ω10 A
2 Ω
+
-10 V
+ VX -
2. Using superposition, solve for the current IX. Using this value for IX, solve for IA. Check
your work by using a Thevenin equivalent circuit to solve for IX.
60 V
2A
10 Ω
20 Ω
2IA
Ix
+
-
30 Ω
IA
3. The following circuit is an equivalent of an amplifier connected to a load, Rload . (a) Find
the Thevenin or Norton equivalent circuit seen by the load and (b) if the load resistance is 100 Ω,
what is the power it absorbs. Check your answer by using mesh analysis.
1 V
20 Ω
.1I1
+
-200 Ω
+
-
I1
.5V1
+
V1
-
Rload
4. Solve for the voltage VX using superposition and source transformation. Show that you get
the same answer.
2 A
6 Ω
3 Ω
2 Ω
+
-10 V
+ VX -
+
-
2 Ω
6 V