Tolong Donggg Pake Cara?

1/R = 1/60+1/30+1/20
1/R= 6/60
R paralel = 60:6
R paralel = 10 ohm

I sumber = V:R
I sumber = 12:10
I sumber = 1,2 A

I 2 = V : R2
I 2 = 12: 30
I 2 = 0,4 A