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10 : 3 = Is : 2
3 Is = 20
Is = 20/3
= 6,67 A
7. Np : Ns = Vp : Vs
6000 : 1200 = 60 : Vs
60 : 12 = 60 : Vs
Vs = 12 V
8. Vp : Vs = Np : Ns
20 : 400 = 600 : Ns
1 : 20 = 600 : Ns
Ns = 12000 lilitan
12. η = Ps/Pp. 100%
= 200/250 . 100%
= 80%
17. tdk ada jawaban, soal kurang
20. Vp : Vs = Is : Ip
220 : Vs = 2 : 4
= 1 : 2
Vs = 440 V