1. Who was the first person to generate electricity?
a) Alessandro Volta .... b) James Watt
c) Michael Faraday ..... d) Benjamin Franklin

2. At what voltages is electricity transmitted through the National Grid?
a) 132,000 and 275,000 volts ..... b) 275,000 and 400,000 volts
c) 240 and 132,000 volts ..... d) 400,000 and 132,000 volts

3. At what voltage do we use power in the home?
a) 400,000 volts ..... b) 240 volts ..... c) 33,000 volts ...... d) 132,000 volts

4. What colour is the earth wire in a domestic plug?
a) Blue ..... b) Brown ..... c) Green and Yellow ..... d) Red

5. In a power station, what does steam turn to generate electricity?
a) Turbine ..... b) Generator ..... c) Transformer ..... d) Boiler

6. Which of the following does a generator need to create electricity?
a) Copper ..... b) Water ..... c) Air ..... d) Magnet

7. How many revolutions per minute do the turbines rotate in a power station?
a) 24 rpm ..... b) 725 rpm ..... c) 3000 rpm ..... d) 12,697 rpm

8. Which of the following fuels is not used by power stations to generate electricity?
a) Coal ..... b) Oil ..... c) Magnesium ..... d) Uranium

9. Which of the following companies controls the distribution of electricity in England and Wales?

a) National Power ..... b) National Grid Company
c) National Electric ..... d) National Energy

10. At what time during the day is electricity most commonly used?
a) 8.00am - 9.00am ..... b) 12.00pm - 2.00pm
c) 5.00pm - 7.30pm ..... d) 10.00pm - 11.00pm