2, Chapter Problem 30. Find Req for the circuit in Fig. 2.94.
6
6
Req
2
2
Chapter 2, Problem 27. Calculate Vo in the circuit of Fig. 2.91.
4
+ Vo 16 V + _ 6
Chapter 2, Problem 31. For the circuit in Fig. 2.95, determine i1 to i5.
3
i1
i3
i2 40 V + _ 4 1 i4 2
i5
Chapter 2, Problem 36. Find i and Vo in the circuit of Fig. 2.100.
i
10
24
50
25
15 V + _ 20 30 + Vo _
60
20
The following resistors are in series:
A. 24 and 20
B. 50 and 30 C. 10 and 25
D. All of the above
Chapter 2, Problem 37. Find R for the circuit in Fig. 2.101.
The algebraic sum of the 2 voltage sources gives us a Vtotal = :
A. 10V
R + 10 V 20 V 10
B. -10V
+
+ _
C. 50V
30
D. Insufficient information
Chapter 2, Problem 39. Req Evaluate for each of the circuits shown in Fig. 2.103.
2k 1k
6k
4k
12 k
12 k 1k
2k
(a)
(b)
Chapter 2, Problem 42. Reduce each of the circuits in Fig. 2.106 to a single resistor at terminals a-b.
The resistance Rab is
A. Greater than 8 B. Less than 5 C. Greater than 30 D. Cannot say
The resistance Rab is
A. Less than 2 B. Greater than 2 C. Equal to 2 D. Cannot say
Chapter 2, Problem 43. Calculate the equivalent resistance Rab
Chapter 2, Problem 44. For each of the circuits in Fig. 2.108, obtain the equivalent resistance at terminals a-b.
The two 20 resistors are shorted. A. True B. False
Chapter 2, Problem 46. Find I in the circuit of Fig. 2.110.
20 I 4 5 48 V + _
15 15 15 5
24
8