Efesien sebuah trafo step down 75% dengan arus imput 8 amper dan arus out put 12 amper jika tegangan out put 300V hitungkah: a.tegangan in put b.gaya out put c.

Diket :
ef = 75 %
Ip = 8 A
Is = 12 A
Vs = 300 v

Dit : Vp , Ps & Pp.....?

Jwb :

# Tegangan input

Vp = ( Vs . Is / ef . Vp ) . 100%
Vp = ( 300 . 12 / 75% . 8 ) . 100%
Vp = (3600 / 6) . 1
Vp = 600 volt

# gaya out put

Ps = Vs . Is
Ps = 300 . 12
Ps = 3.600 watt

# gaya input

Pp = Vp . Ip
Pp = 600 . 8
Pp = 4.800 watt