What do we call charge that cannot move?

These substances have delocalised electrons (free to move)?

Materials that are bad conductors are called?

This is needed to provide the energy for charge to move?

This tries to stop charge moving?

The rate of movement (or flow) of charge is called...

This is measured in Ohms ( $\Omega$ )?

The amount of energy transferred by a device in one second?

Measured in Watts (W)?

The network of transformers, cables and pylons that connects power stations to our homes?

A circuit where current has a more than one loop it can follow?

A circuit where current has only one loop it can follow?

The symbol for a fixed resistor?

The symbol for a battery?