jika vp=120 volt,vs=4 ohm,Np=1200 lilitan,Ns=80 lilitan,besar Is adalah

INDUKSI ELEKTROMAGNETIK
• Transformator

transformator udeal
Np = 1200
Ns = 80
Vp = 120 V
R = 4 ohm
is = __?

tegangan sekunder
Vp / Vs = Np / Ns
Vs = (Ns / Np) • Vp
Vs = (80 / 1200) • (120 V)
Vs = 8 V

kuat arus sekunder
Vs = is • R
8 = is • 4
is = 2 A ← jwb