cara cari kuat arus sekunder pada trafo

INDUKSI ELEKTROMAGNETIK
• transformator

Vp = 220 V
Np = 600
Ns = 150
R = 10 ohm
is = __?

tegangan sekunder
Vp / Vs = Np / Ns
220 / Vs = 600 / 150
220 / Vs = 4
Vs = 220/4 = 55 V

Kuat arus sekunder
Vs = is R
55 = is • 10
is = 5,5 A ← jwb