CHAPTER 4
Problem 4.2
vo  0.5V,
Problem 4.50
R = 1.8 ohms, RTh = 1.2 ohms
VTh = 9.6 V, IN = 8 A
Problem 4.52
IN = Isc = 0 A,
RN = -333.3 m ohms
Problem 4.54
RTh = 1.6 ohms,
p = 625 m watts
Problem 4.56
RTh = 10 ohms
Problem 4.58
R = RTh = 8 kohms,
p = 1.152 watts
If is = 1A, then vo = 0.5V
Problem 4.4
Io = 0.6667A
Problem 4.6
i = 5A
Problem 4.8
vab = 6 V
Problem 4.10
vo2 = 2 V, vo = -125 mV
Problem 4.12
i = 1.875 A, p = 10.55 watts
Problem 4.14
vx = -8.571 V
Problem 4.16
vx = -26.67 V
Problem 4.18
io = 666.7 mA, vo = 8 V
Problem 4.20
vo = 9 V
+ R4) (R1 R2 R3 + R1 R2 R4 + R1 R3 R4 + R2
R3 R4)]
Problem 4.22
vx = -48 V
Problem 4.62
V = 92 V, R = 28 ohms
Problem 4.24
vo = 3 V
Problem 4.64
VTh = -80 V, RTh = 2 k ohms
Problem 4.26
ix = 1.6 A
Problem 4.66
VTh = 40 V, RTh = 22.5 ohms
Problem 4.28
RTh = 28 ohms, VTh = 92 V
Problem 4.68
p = 42.6 watts,
Problem 4.30
i = 500mA
Problem 4.70
i = 1.2857 A,
Pmax = 8.1 watts
Problem 4.32
vx = -48 V
Problem 4.72
21.3%
Problem 4.34
RTh = 10 ohms, VTh = 0 volts
Problem 4.74
Problem 4.36
IN = 2 A
RL = RTh = 6.398 k ohms
Pmax = 16.622 mWatts
Problem 4.38
RTh = -4 ohms, IN = 3A
Problem 4.76
Rs = 700 ohms,
Rp = 114.29 ohms
Problem 4.40
RN = 10 ohms, IN = -0.4 A,
i = 2.4 A
Problem 4.78
Problem 4.42
RTh = 2 k ohms, VTh = -80 V
R = 20 ohms,
R = RTh = 37.14 ohms
Imax = 69.23 mA
Problem 4.44
RN = 100 k ohms,
IN = -20 mA
Problem 4.80
P40 = 1.654 watts
Problem 4.46
VTh = 166.67 V,
IN = 16.667 A,
RN = RTh = 10 ohms
Problem 4.48
RTh = 22.5 ohms, VTh = 40V,
IN = 1.7778 A
Problem 4.60 RL = RTh = (R1 R2 R3 + R1 R2
R4 + R1 R3 R4 + R2 R3 R4)/[( R1 + R2)( R3 + R4)]
pmax = [(R2R3) – (R1R4)]2Vs2/[4(R1 + R2)(R3
1