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Np : Ns = 5 : 4
ef = 80 %
Ps = 800 w
Ip = 5 A
Dit : Vp & Vs .......?
Jwb :
# Daya primer
Pp = ( Ps / ef ) . 100%
Pp = ( 800 / 80% ) . 100%
Pp = ( 800 / 80 ) . 100
Pp = 10 . 100
Pp = 1000 watt
# Tegangan primer
Vp = Pp / Ip
Vp = 1000 / 5
Vp = 200 volt
# Tegangan sekunder
Vs = ( Ns . Vp ) / Np
Vs = ( 4 . 200 ) / 5
Vs = 800 / 5
Vs = 160 volt
Jadai tegangan primernya 200 V dan tegangan sekundernya 160 V