Jawabanmu

2013-12-14T13:38:54+07:00
∑ E + ∑ I . R = 0
(-12 - 20) + ∑ I . (10 + 5 + 5) = 0
-32 + ∑ I . 20 = 0
∑ I . 20 = 32
∑ I = 1,5 A