Electricity

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Across
  1. 4. Wire which makes electrical appliances safer.
  2. 6. Device to change the voltage of an AC current.
  3. 9. Unit of charge.
  4. 10. Wire which has mains current at around 230V.
  5. 12. Only allows current to flow in one direction.
Down
  1. 1. Device which blows if current is too high.
  2. 2. Stops a circuit if current is too high, but can be reset.
  3. 3. Unit of resistance.
  4. 5. Electromagnetic switch.
  5. 6. Higher temperature lower resistance
  6. 7. Unit of current.
  7. 8. Direction of current from positive to negative.
  8. 11. Darker higher resistance
  9. 13. Total energy transferred per unit charge in one complete loop of a circuit.