Tolongg bantu jawab secepatnya

A) Rs = R1 + R2 + R3
= 4 ohm + 6 ohm + 12 ohm
= 22 ohm

b) I = V/R
= 12/22
= 6/11 A

c) Vab = I x Rab
= 12 x 4
= 48 V

d) Vbc = I x Rbc
= 12 x 6
= 72 V

e) Vcd = I x Rcd
= 12 x 12
= 144 V

f) Vad = I x Rabcd
= 12 x 22
= 264 V