文档介绍：Basic Circuit Theory
Chpter1 Problems
1 For the circuit of Fig. 1-26 find: v, i , and the power absorbed by the load.
10Ω 2 A 2Ω i
-
+
20V +
+ 3A
v
60V Load
- −
Fig. 1-26 For prob. 1.
2 With reference to work shown in Fig. 1-27 find i x , v x , and the power absorbed by
the 5V source.
A
6A
+ 8 V −+
+
5 V B v x
- 3A −
i
x
Fig. 1-27 For prob. 2.
3 Find the power supplied by the 3V source in Fig. 1-28.
5Ω- 20i 1
+
+
3 V 10Ω
-
6Ω- 13V i
+ 1
Fig. 1-28 For .
4 For the battery-charging circuit shown in Fig. 1-29 a) find i and the power delivered
to the load. b) What would i be if the battery voltage increased to V?
i v
1
-
+ +
+
+
16V v 1 12V
-
-
−
Load
Fig. 1-29 For prob. 4.
5 For the circuit shown in Fig. 1-30 find V 30 and the power supplied by the 10 mA source.
a ) Find V 30 , i x , and i y for the circuit shown in Fig. 1-31. b) Change the control on the
dependent source in Fig. 1-31 from 2 i x to 2 i y , and then find V 30 , i x , and i y
30mA +
v
30 250Ω
− 1 kΩ
10mA
Fig. 1-30 For prob. 5.
DaLian Maritime University
1
Basic Circuit Theory
Chpter1 Problems
6 It is desired that the 5S conductance in Fig. 1-32 be replaced by a conductance G that will
absorb exactly 100 W when used in that circuit. Find the larg