tolong di bantu ..............

1. 1/Rp = 1/2 + 1/2 = 2/2 = 1 ohm
2. Rs1 = 2 +1 +2 = 5 ohm
3. Rs2 = 2 +2 = 4 ohm
4 . 1/Rp = 1/5 + 1/4 = 4/20 + 5/20 = 9/20 = 20/9 = 2,22 ohm


maaf kalo salah itu pake rumus rangakaina. seri dan paralel