What is the energy supplied in measured in?
kilowatt hours
What is a primary source of energy?
A source that occurs naturally.
What is a secondary source?
A resource that is made from a primary source.
What is a major pollutant that is formed?
carbon dioxide
When electric current flows in a circuit, what is transferred from the power supply to the components in the circuit?
energy
What is energy measured in?
Joules, J
What is power measured in?
watts, W
What is 1000w?
1kW
The amount of mains electrical energy is transferred is measured in?
kilowatt-hours, kWh
What do electricity meters measure?
The number of units of electricity used in a home or other building.