Apa Contoh Trafo Step Up Dan Trafo Step down?

Contoh trafo Step Up
Vp = 220
Vs = 1100

Is = 100
Ip = 300

Np = 250
Ns = 750

Step Down
Vp = 450
Vs = 150

Is = 600
Ip = 200

Vp = 150
Vs = 50

Maaf kalau salah :)