Hitunglah kuat arus I, I1,I2

diketahui : R1 = 6 ohm,R2 = 12 ohm,V = 12 v
I = v/r = 12 v/4 ohm = 3 A
I1 = 12 v/6 ohm = 2 A
I2 = 12 v/12 ohm = 1 A