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1. 
Two generators are connected in series when
A.
Their positive terminals are connected.
B.
Their negative terminals are connected.
C.
The positive terminal of the first generator is connected to the negative terminal of the second one.
D.
All the other answers are correct.
2. 
The total voltage of various equal generators connected in parallel is
A.
None of the others
B.
The result of multiplying the voltage of each generator.
C.
The result of adding the voltage of each generator.
D.
The same voltage of just one generator.
3. 
The more receivers in parallel connected to a generator
A.
The lower the voltage received by each of them.
B.
The higher the electric current (intensity) the generator should provide.
C.
The longer the operating time the batteries will have (they will last more).
D.
The higher the voltage the battery will provide
4. 
Select the correct circuit diagram
A.
A
B.
B
C.
C
D.
D
5. 
In the following circuit, calculate the equivalent resistance
A.
30
B.
90
C.
20
D.
45
6. 
Select the correct circuit diagram
A.
A
B.
B
C.
C
D.
D
7. 
Calculate the total resitance of the whole circuit (RT)
8. 
Calculate the intensity (electric current) provided by the battery
9. 
Calculate the partial intensities
A.
I1=0.05A, I2=0.05, A I3=0.05A
B.
I1=0.15A, I2=0.15, A I3=0.15A
C.
I1=0.15A, I2=0.15, A I3=0.05A
D.
I1=0.1A, I2=0.1, A I3=0.05A
10. 
Calculate the partial voltages.
A.
V1=9V, V2=9V, V3=9V
B.
V1=3V, V2=3V, V3=3V
C.
V1=3V, V2=6V, V3=9V
D.
V1=2.25V, V2=2.25V, V3=4.5V