Across
- 3. voltage divided by current =
- 6. the unit for power
- 7. what is the quickest way to change the resistance in a circuit?
- 9. a current where the movement of charge c changes direction
- 10. the movement of charge in one direction only
Down
- 1. if a fault occurs, a large current can flow between the earth and live wire which can melt and break this component
- 2. energy transferred per second
- 4. it is a safety wire and connects the metal case of an appliance to the earth to prevent a fault
- 5. current x time =
- 8. the flow of electrons