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1. 
What is the main source of electrical energy in Belgium
A.
Biogas
B.
Nuclear
C.
Hydropower
D.
Wind power
2. 
What is the main source of energy in most developing countries
A.
Nuclear
B.
Geothermal
C.
Fossil fuels
D.
Nuclear
3. 
Why should people prefer hydrogen than nuclear as a source of energy
A.
hydogen is a clean source
B.
hydrogen is easily available
C.
hydrogen provide a higher amount of electricity
D.
hydrogen is not dangerous
4. 
Why should people prefer nuclear than hydrogen as a source of energy
A.
it is easily available
B.
it is a clean source
C.
it has high energydensity
D.
nuclear is dangerous
5. 
An electric field surrounds
A.
the electric charge
B.
all the electrons
C.
all the protons
D.
all of these
6. 
When you double the voltage in a simple electric circuit, you double
A.
the current
B.
the resistance
C.
both the current and the resistance
D.
neither the current nor the resistance
7. 
In a circuit with two lamps in parallel, if the current in one lamp is 2A, the current in the battry is
A.
1A
B.
2A
C.
greater than 2A
D.
none of these
8. 
The essential physics concepts in an electric generator is
A.
Coulomb's law
B.
Ohm's law
C.
Faraday's law
D.
Newton's second law
9. 
What is being represented by the arrows on the diagram
A.
flow of copper ions
B.
flow of electrons
C.
flow of protons
D.
flow of zinc ions
10. 
Write any two main national sources of electrical energy