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069
In de schakeling is de stroom
a
0.5 A
b 1 A
c 1.5 A
d 2 A
Ut = U1 + U2
-2 + 4 = 2 V
Rt = R1 + R2
1 + 3 = 4 Ohm
I = U / R
2 / 4 = 0.5 A