Across
- 2. A current that changes direction is
- 4. Colour of the live wire in a plug
- 5. Unit of resistance
- 11. Needed for a current to flow
- 14. Energy cannot be created of destroyed, it is…
- 15. Current and Voltage of an ohmic conductor are ________ Proportional
- 17. Rate of energy transfer
Down
- 1. Energy stored when two charges are moved close together
- 3. The energy store in a battery
- 6. Wire that conducts current away from an appliance if it develops a fault.
- 7. Wire melts when current is too high
- 8. Unit of power
- 9. Rate of flow of charge
- 10. Energy store linked to speed
- 12. The energy store in the sun
- 13. A current that flows in the same direction is
- 16. Something is done to transfer energy