I = U / R
I = Utot / Rtot
I = (9-6) / (0.4+0.6)+2 = 1 Amp

005

De stroom door de weerstand R is:

a. 1 A
b. 7,5 A
c. 1,5 A
d. 5 A

┘

006

Ut = 9-6 = 3 V

Rt = 0.4 +0.6 +23 = 3

I = U / R = 3 / 3 = 1 A