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Materi : Medan Magnetik dan Induksi ElektromagnetikSub bab : Listrik arus AC
Diketahui :
R = 22 ohm
V = 220 sin 100t
Vmax = 220 v
Ditanya :
Ief = ?
Penyelesaian :
*Cari Vef
Vef = 0,707 Vmax
Vef = 0,707 (220)
Vef = 155,54 volt
*Cari Ief
Vef = Ief. R
Ief = Vef/R
Ief = 155,54/22
Ief = 7,07 A
Jadi, besar arus efektif adalah 7,07 A
semoga membantu
-vin