SERIES

R1=1 ΩR2=9 Ω
V = 10 V
R1=1 ΩR2=2 ΩR3=3 Ω
V = 12 V
R1=1 ΩR2=2 ΩR3=3 ΩR4=4 Ω
V = 10 V

PARALLEL

V = 75 V
R1=3 ΩR2=1 Ω
V = 72 V
R1=90 ΩR2=10 ΩR3=6 Ω
V = 80 V
R1=40 ΩR2=10 ΩR3=30 ΩR4=20 Ω

SERIES / PARALLEL

V = 45 V
R1=20 ΩR3=20 Ω
R2=40 Ω
R1=4 Ω
V = 80 VR2=80 ΩR3=20 Ω
R1=14 Ω
V = 30 VR2=60 ΩR3=30 ΩR4=80 Ω

V = 80 VR1=10 Ω
R4=9 ΩR2=70 ΩR3=30 Ω
R1=10 ΩR2=6 Ω
V = 40 VR3=60 ΩR4=40 Ω
V = 60 V
R1=30 ΩR2=20 Ω
R3=30 ΩR4=10 Ω

V = 40 V
R1=40 ΩR2=10 Ω
R3=6 ΩR4=3 Ω
V = 20 V
R1=30 ΩR2=10 Ω
 R3=20 Ω
 R4=30 Ω
V = 42 VR1=50 Ω
R2=30 ΩR3=60 ΩR4=30 Ω

KIRCHHOFF

V = 14 V
R1=1 ΩR2=2 Ω
R3=1 Ω
R4=2 ΩR5=1 Ω
R1=1 Ω
R2=2 ΩR3=3 Ω
V1=10 VR4=4 ΩV2=5 V
R1=10 ΩR2=20 Ω
V1=10 VR3=40 ΩV2=20 V