A-Rt = R1 + R2 I = V / R
Rt = 50Ω + 10Ω I = 12v / 60Ω
Rt = 60 Ω I = 0,2 A
B-Rt = R1 + R2 + R3 I = V / R
Rt = 30Ω + 30Ω + 90Ω I = 12v / 150Ω
Rt = 150Ω I = 0,08 A
Rt = (50Ω * 100Ω)/( 50Ω + 100Ω)
Rt = 5000Ω / 150Ω
Rt = 33.33 A
I = V / R Ir1 = V / R1 Ir2 = V / R2
I = 6v / 33.33Ω Ir1 = 6v / 50Ω Ir2 = 6v / 100Ω
I = 0.18 A Ir1 = 0.12 AIr2 = 0.01 A
D-Rt = (R1 * R2)/(R1 + R2)
Rt = (20Ω * 20Ω)/( 20Ω + 20Ω)
Rt = 400Ω / 40Ω
Rt = 10 A
I = V / R Ir1 = V / R1 Ir2 = V / R2
I = 10v / 10Ω Ir1 = 10v / 20Ω Ir2 = 10v / 20Ω
I = 1 A It1 = 0.5 A Ir2 = 0.5 A
E-Rt = R1 + [(R2 * R3)/(R2 + R3)]
Rt = 100 + [(30Ω * 20Ω)/(30Ω + 20Ω)]
Rt = 100Ω + (600Ω / 50Ω)
Rt = 100Ω + 12Ω
Rt = 112 A
I = V / R Ir1 = V / R2 Ir2 = V / R3
I = 10v / 112Ω Ir1 = 10v / 30Ω Ir2 = 10v / 20Ω
I = 0.08 A It1 = 0.33 A Ir2 = 0.5 A
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