006

De stroom die de batterij levert is:

a   1.33 A
b   12 A
c   1.2 A
d   0.4 A

004

┘

Rv = 1/(1R1 + 1/R2 + 1/R3 ) +Ri

Rv = 1/ (1/ 27 + 1/ 27 + 1/ 27) + 1 = 9 +1 = 10 Ω

I = U/R = 12/10 = 1.2 A