Vp = 220 Volt Vs = 110 Volt Ip = 2 A
Ditanya: Is = ?
Jawab: η = {(Vs * Is) / (Vp * Ip)} * 100% 75% = {(110 * Is) / (220 * 2)} * 100% 0,75 = Is / 4 Is = 0,75 * 4 = 3 A