1. Hambatan Total Ketiga Resistor adalah * 15 poin 9 Ohm 7 Ohm 8,2 Ohm 6 Ohm 5,2 Ohm

R1 = 3 Ohm
R2 = 2 Ohm
R3 = 4 ohm

R1.2 = 1/R1 + 1/R2
R1.2 = 1/3 + 1/2
R1.2 = 6/5
R1.2 = 1,2 Ohm

Rtot = R1.2 + R3
Rtot = 1,2 + 4
Rtot = 5,2 Ohm