5.1LINEARITY OF A CIRCUIT AND SUPERPOSITION THEOREM
10 V
R
1
i
2v
x
v
x
+
+
+
–
–
–
R
2
2 Ω
R
3
2 Ω
2 Ω
Fig. 5.1-11 Circuit with
only the First Voltage
Source Acting in
Example 5.1-5
(a)
R
5 V
R
1
i
2v
x
v
x
v
1
i
1
i
2
+
+
+
–
–
–
(b)
2 A
R
1
R
2
i
2v
x
v
x
+
+
–
–
2 Ω
2 Ω
R
3
2 Ω
R
3
2 Ω
2 Ω
R
2
2 Ω
Fig. 5.1-12 Circuits
with only (a) the
Second Voltage
Source Acting and
(b) only the Current
Source is Acting in
Example 5.1-5
Find the power dissipated in the resistor R
2
in the circuit in Fig. 5.1-10 by applying
Superposition theorem.
SOLUTION
First, let us find the current through R
2
by applying Superposition Theorem. The single-
source circuit when the first voltage source is acting is shown in Fig. 5.1-11.
This circuit ...
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