064
De spanning U is:
a 0 V
b 2 V
c
8 V
d 10 V
┘
U=I*R
De weerstanden verdelen de spanning
Rt = 1000 Ohm
U = 10 v
It = 10/1000 = 1mA
Ur van 800 ohm = IRxR = 1mA x 800 = 8V