tolong pake cara ya no 1. pake diketahui ama ditanya ya kakak

dik :
Vp = 500 V
Np = 32000
Ns = 800
Ps = 50 W

dit: Is

jwb:
Ps = Vs . I s

kita cari dl Vs

Ns / Np = Vs / Vp
800 / 32000 = Vs / 500
Vs = 800 . 500 / 32000
Vs = 12,5 volt

jadi Ps = Vs . Is
50 = 12,5 . Is
Is = 50 / 12,5
Is = 4 ampere