Inside each atom (but not in the nucleus) is a smaller part called what?
Electrons
What is a circuit?
A current that moves along a wire or path in a single direction
What is a series circuit?
A circuit that has only one path for the current.
What is an example of an insulator?
Several examples can be given.
NEGATIVE, POSITIVE
What is a the national grid?
a network of cables and transformers that connect a PowerStation to a home
What is an insulator?
A material that current cannot pass through easily.
When can an electric charge travel through air?
When the air is ionised
Why is electricity sent with low current along power lines?
Charging by contact is when?
Two materials rub together and transfer electrons.