Vs / Vp = Ns / Np
Vp 230 V in
Np 4 turns
Vs 460 V out
Ns 8 turns
460/230 = 8/4
↑ Step-up
AC in primary coil
Changing flux in iron core
Flux links secondary coil
EMF induced (Faraday)
Vs / Vp = Ns / Np
Vp Input
230 V
Primary Np
4 turns
Secondary Ns
8 turns
Frequency
30 Hz