Aufgabenvorschläge aus dem Westermann


Lösungen Westermann

Seite 131
6) a) Cg = 5,572 uF; Xg = 28,56 Ohm b) I12 = 17,53 mA; I3 = 94,5 mA; Ig = 112 mA; U1 = 2,79V; U2 = 0,41V
7)I1 = 15,7 uA; I2 = 157 uA
10)XC1 = 3,75 kOhm; C1 = 42,4 nF; XC2 = 10 kOhm; c2 = 15,9 nF; XC3 = 20 kOhm; C3 = 7,96 nF
11)C1 = 2652 uF; C2 = 796 uF; C3 = 398 uF;
12)C = 10,6 uF

Seite 132
1) XC1 = 2,65 kOhm; XC2 = 5,3 Ohm; Z1 = 4,23 kOhm; Z2 = 3,3 kOhm
I1 = 2,36 uA; I2 = 3,03 uA; Ur1 = 7,79 mV; Ur2 = 10mV
phi1 = 38,8 grad; phi2 = 0,092 grad
2)Ua1 = 4,5 V;Ua2 = 22,3 mV
3)Ur = 1,94 V; I = 97 uA; Z = 20,6 kOhm; Xc = 4,94 kOhm; C = 0,322 uF

Seite 134
1) Z = 1,59 Ohm
2)I = 5 mA;phi = 53,1 grad
3)Ir = 0,241 mA; Xc = 33,9 kOhm;Ic = 0,156 mA; Z = 18,5 kOhm; phi = 33 grad
4) C = 0,51 nF

Seite 137
1)

Tiefpass: Hochpass:
10Hz: Xc = 72,3 kOhm; U2/U1 = 99,1% U2/U1 = 13,7%
100Hz: Xc = 7,23 kOhm U2/U1 = 58,6% U2/U1 = 81,0%
1kHz: Xc = 723 Ohm U2/U1 = 7,2% U2/U1 = 99,7%
10kHz: Xc = 72,3 Ohm U2/U1 = 0,7% U2/U1 = 100%

2)C1 = 1nF;
3) fg = 11,9Hz
4) a) fg1 = 3,39 kHz; fg2 = 1,08 kHz b) U2 = 0,256 V

Seite 142
1) U = 9,4V; Ur = 3,52V; UL = 8,69 V
2) R = 283Ohm
3) UL = 3,66 V; R = 5,17kOhm; L = 539 mH; phi = 49,7 grad
4) XL = 1,2 kOhm; L = 191 mH; UL = 4,08V; UR = 4,08V; phi = 45 grad

Seite 144
1) I = 1,44 Ohm; XL = 91,7Ohm; L = 0,292 H; Z = 76,4 Ohm; phi = 56,3 grad
2) Z = 588 Ohm; phi = 50,4 grad
3) U = 20V; R2 = 500 Ohm; XL = 302 Ohm; IL = 66,2mA; I = 111,7 mA; Z = 179 Ohm; phi = 36,3 grad
4) f = 364 Hz; XL1 = 137 Ohm; XL = 50,5 Ohm; IL = 0,475 A; IL1 = 175 mA; I = 476,3 mA; Z = 50,4 Ohm

Seite 147
1) L = 5,69 mH
2) fg = 1,06 Hz
3) a) L1 = 261 mH; b) Schaltbild: R + L1/L2; c) Lg = 87 mH; L2 = 131 mH
4) R1 = 14,3k Ohm