Kuat arus jika R1 18 R2 36 R3 6 dan 6 volt

Rab = 18×36/18+36 = 18×36/18(1+2) = 36/3 = 12 Ω

Rp = Rab + Rbc
      = 12 + 6 = 18Ω

V = I. Rab –> I = V/Rab
                       = 6/18
                       = 1/3 A

Vab = I. Rab
       = 1/3. 12 = 4 V

vbc = I. Rbc
       = 1/3. 6 = 2 V