Using energy Flashcards
1
Q
What is the energy supplied in measured in?
A
kilowatt hours
2
Q
What is a primary source of energy?
A
A source that occurs naturally.
3
Q
What is a secondary source?
A
A resource that is made from a primary source.
4
Q
What is a major pollutant that is formed?
A
carbon dioxide
5
Q
When electric current flows in a circuit, what is transferred from the power supply to the components in the circuit?
A
energy
6
Q
What is energy measured in?
A
Joules, J
7
Q
What is power measured in?
A
watts, W
8
Q
What is 1000w?
A
1kW
9
Q
The amount of mains electrical energy is transferred is measured in?
A
kilowatt-hours, kWh
10
Q
What do electricity meters measure?
A
The number of units of electricity used in a home or other building.
