1.3-2 a) 2E-6, 0, 4E-6, -3E-6, 0 c) 4E-6 d) 2.5E-7 1.3-4 k1=2, k2=-4/3 1.5-2 0.58 day 1.6-4 a) Ps=8100W, Pt=220W b) 2883 kJ 2.3-2 no 2.4-2 20 cos2t mW 2.5-2 P=706W, R=63 ohm 2.5-3 a) 2.5 W b)4W 2.10-1 i(1)=.002 A, i(4)=3mA
3.3-3 i=2mA; v1=-8; p10k=40mW, p4v1=-64mw, p12v=24mW, p4k=16mW,p8v=-16mW 3.4-2 R=13.5 or 6 3.6-7 is=16, v=192 3.6-11 p8ma=128mW, p12ma=-192, p6k=42.7mW, p12k=21.3mW 3.6-16 vx=3, p=45mW 3.6-21 req=12, i=0.67A , v=5.33V 4.3-4 v1=-0.1V, v2=-0.2V, v3=-0.4V, p1ma=-0.2mW 4.5-7 i=2.4A 4.7-3 i1=-0.5A 4.7-21 gain=-170, g=0.037 A/V
5.3-2 2.19 A 5.4-4 V10v + V4A = 10 + 16 = 26 V 5.5-2 90V, 8 ohm 5.5-10 30 V, 30 ohm 5.5-12 Voc=-3, Isc=0.02A, so Vt=-3 V, Rt=-150 ohm 5.6-3 a) 5.4A, 16 ohm b) 118W 5.7-3 P=v2 / (RL + RS) is max when denominator is min 6.4-1 a) v2=i1 * Rc = 0 * Rc = 0 b) KCL @ V1 6.5-9 6.5-15 v=5, i= 0.2mA 6.6-4 See Fig. 6-11 (f), with any values of R1, R2 where R2/R1=5
7.3-3
8.4-1 2 e-2000 t 8.4-6 8 e-4 t 8.5-4 2.67 e-1.67 t 8.7-4 2.5 uF 8.8-4 @ t=2s, 2700V, 1.2 J 8.9-1 v(t)= -35 e- t , i(t)= 10 e- t 8.9-3 v(t)= 6 e- 2 t 8.10-1
9.3-1 v(t) = 2.5 ( 1 - e-1000 t ), i(t) = 0.05 ( 1 + e-1000 t ) 9.3-7 Should be Meg ohm not milli; v1(t) = 20 + 80 e- t / 4, v2(t) = 20 - 20 e- t / 4 9.3-11 Should be Meg ohm not milli;
10.3-1d2v/dt2 + 3000 dv/dt + 1.02 x 108 = 1.0 x 108 Vs 10.4-3 s2 + 400 s + 30000 = 0, s= -100, -300 10.5-3 v(t) = -1 e- t + 3 e- 3 t 10.5-4 i1(t) = 3 e- t / 6 + 8 e- 2 t, i2(t) = - e- t / 6 + 12 e- 2 t 10.6-3 v(t) = 1012 t e- 5 x 107 t 10.7-6 v(t) = 544 e- 267 t sin(1257 t) 10.9-1 i(t) = { -16.67 e- 2 x 105 t + 16.667 e- 8 x 105 t + 4 } mA 10.9-6 v(t) = -0.09 e- 105 t sin(2 x 105 t) + 0.6 V 10.9-16 v(t) = 100 + e- 375 t {-100 cos(832 t) -45.1 sin(832 t)} i(t) = 6 e- 375 t sin(832 t)