174
De stroom door de weerstand R is:
a
1A
b 1,5 A
c 5A
d 7.5 A
03
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Rt = 0.6 + 0.4 +2 = 3 Ohm
Ut = 9 - 6 = 3 V
I = U / R = 3 / 3 = 1 A