Electricity GCSE revision

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Across
  1. 1. The amount of energy transferred per second
  2. 6. Resistance decreases for this device as it gets hotter
  3. 7. Colour of the neutral wire in a plug
  4. 10. Resistance does this as resistors are added in parallel
  5. 11. Unit for resistance
  6. 14. Current only flows in one direction through this device
  7. 16. Resistance does this as resistors are added in series
  8. 18. Colour of the live wire in a plug
  9. 19. Unit for current
  10. 20. The rate of flow of charge
  11. 21. A series of cells
  12. 22. this cable is only needed for mains equipment with a metal case
Down
  1. 1. Position of a voltmeter in a circuit
  2. 2. Potential _ _ _ _ _ _ _ _ _ _ is work done per unit charge
  3. 3. Device for measuring potential difference
  4. 4. A resistor is this type of conductor if current is directly proportional to potential difference
  5. 5. Unit for potential difference
  6. 8. Mains supply has a _ _ _ _ _ _ _ _ of 50Hz
  7. 9. Unit for work done or energy transferred
  8. 12. Unit for charge
  9. 13. Device for measuring current
  10. 15. Thin piece of metal in a lamp that gets hot enough to glow
  11. 17. Position of an ammeter in a circuit