minta bantuannya ya kak pakai caranya ya

diket :
R1 = R2 = R3 = 20 ohm
V = 12 v
dit : Arus
jwb :
# Hambatan pengganti
1/Rp = 1/R2 +1/R2
1/Rp = 1/20 +1/20
1/Rp = 2/20
Rp = 20 / 2 = 10 ohm
# total hambatan
Rs = R1+Rp
Rs= 20 + 10
Rs = 30 ohm
# Arus
I = V / R
I = 12 / 30
I = 0,4 A