029
┘
032
De spanning over de weerstand is?
a 280 V
b 150 V
c 200 V
d
210 V
Z =
v
R
2
+ X
2
Ohm
Z =
Ѵ
300
2
+ 400
2
= 500
Ω
It = U / Z = 350 / 500 = 700
-3
A = 700 mA
Ur = Ir x R = 700m x 300 = 210 V
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