tolong jawab pertanyan ini yg no 1

Diketahui:
Np = 1.500
Ns = 300
Vs = 3 V
Ip = 4 mA
Vp = ... ?
Is = ...?

Jawab:
Np/Ns = Vp/Vs
1.500/300 = Vp/3
5 = Vp/3
Vp = 15 V

Np/Ns = Is/Ip
5 = Is/4
Is = 20 mA