Plisss yaaa jawabb :(

Vp = 220 volt
Np = 600 lilitan
Ns = 150 lilitan

Np/Ns = Vp/Vs
600/150 = 220/Vs
4 = 220/Vs
Vs = 220/4 = 55 volt

Is = Vs/R = 55/10 = 5,5 A