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Vp • Ip = Vs • Is
100 • Ip = 50 • 0,4
Ip = 0,2 A
B.)
η = Vs • Is / Vp • Ip X 100%
η = 50 • 0,4 = 100 • 0,2 X 100%
η = 20/20 X 100%
η = 100%
C.)
Np • Vs = Ns • Vp
Np • 50 = Ns • 100
50Np = 100Ns
Np : Ns = 100 : 50
Np : Ns = 2 : 1
D.)
Trafo ini termasuk transformator Step Down, karena tegangan primer > Tegangan sekunder
Ok?