Electricity

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Across
  1. 3. A device that uses direct current.
  2. 5. A device that produces direct current.
  3. 9. The __ coil of a transformer is connected to the A.C. supply.
  4. 10. Apparatus used to detect very small electrical currents.
  5. 11. A type of renewable energy made from wood, dried plants and garbage.
  6. 15. Solar panels produce ___ current.
  7. 16. ELCB stands for Earth ___ Circuit Breaker.
  8. 18. The __ wire in a 3-pin plug is blue in colour.
  9. 20. A mobile phone ___ contains a step-down transformer.
  10. 21. When too many plugs are connected to a socket, this may cause an ___.
  11. 22. Wind power is a ___ energy source.
Down
  1. 1. Device used to generate electricity.
  2. 2. Hydroelectric power station in Sarawak
  3. 4. A non-renewable energy source.
  4. 6. A device used to change the voltage of an alternating current.
  5. 7. A type of fossil fuel.
  6. 8. Tuanku Jaafar power station in Negeri Sembilan uses ___.
  7. 12. When magnetic field lines are cut by a conductor, an ___ current is produced.
  8. 13. A device that uses alternating current.
  9. 14. A step-down transformer produces an output with a __ voltage.
  10. 15. Renewable energy sources will never ___.
  11. 17. Colour of the live wire in a 3-pin plug.
  12. 19. Type of circuit in a home wiring system.
  13. 21. Direct current is an electric current that flows in ___ direction only.
  14. 23. An induced current formed in the iron core of a transformer is known as the ___ current.