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Verified answer
Diket :Vp = 220 v
Vs = 1100 v
Np = 200
dit : Ns & jenis trafo ?
jwb :
# lilitan sekunder
Ns = ( Np . Vs ) / Vp
Ns = ( 200 . 1100 ) / 220
Ns = 220.000 / 220
Ns = 1000 lilitan
#Jenis trafo
Ns > Np
Vs > Vp
Trafo step up
Jadi pilh jwb C