Odpowiedzi

2010-04-13T15:28:52+02:00
U1=220V
U2=22V
z1=1100
z2=?
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U1/U2=z1/z2
z2=U2*z1/U1=22*1100/220=110
2010-04-13T15:29:38+02:00
Uw : Up = Nw : Np
22V : 220V=Nw : 1100
220V * Nw=24200V
Nw =110