In a torch, the source of electricity is:

1. the bulb
2. the switch
3. the cell
4. the mains

Electricity can flow through:

1. wood
2. rubber
3. plastic
4. copper wire

We should not touch the switch with wet hands, otherwise:

1. electricity may pass through our body
2. electricity may not pass through the appliance
3. circuit may break
4. the switch may get off

State two properties of a bar magnet.