Generation and Transmission of Electricity

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Across
  1. 2. CURRENT Current produced by a changing magnetic flux.
  2. 5. DOWN TRANSFORMER Transformer that decreases voltage and increases current.
  3. 7. Number of cycles per second in AC (unit: Hertz).
  4. 9. Device or component that consumes electrical power.
  5. 11. TO PEAK Difference between maximum positive and negative values in AC.
  6. 12. UP TRANSFORMER Transformer that increases voltage and decreases current.
  7. 14. LAW Relationship between voltage, current, and resistance (V=IR).
  8. 15. COIL Coil connected to the power source in a transformer.
  9. 16. DROP Reduction in voltage as current passes through resistance.
  10. 18. Converts kinetic energy into electrical energy.
  11. 21. CIRCUIT Circuit with only one path for current.
  12. 22. Delivery of electricity from transmission lines to consumers.
  13. 27. FLUX Measure of magnetic field lines passing through an area.
  14. 28. CIRCUIT Circuit with multiple paths for current.
  15. 31. LOSS Energy lost as heat due to resistance in transmission lines.
  16. 33. Time taken for one complete cycle of AC.
  17. 34. Device that generates AC electricity by rotating a coil in a magnetic field.
  18. 35. FORCE Voltage generated by energy transformation (abbreviation: EMF).
  19. 36. RING COMMUTATOR Reverses connection every half turn in a DC generator.
  20. 38. Changes the voltage of AC electricity using electromagnetic induction.
Down
  1. 1. Maximum value of voltage or current in AC.
  2. 3. INDUCTION Process of generating EMF by changing magnetic flux.
  3. 4. LAW Law: EMF induced is proportional to the rate of change of magnetic flux.
  4. 6. Converts DC electricity to AC for use in homes.
  5. 8. LAW Law stating that induced current opposes the change in magnetic flux.
  6. 10. Electric potential difference between two points.
  7. 13. LINES Wires that carry electricity over long distances.
  8. 15. Rate at which energy is delivered or used (unit: watts).
  9. 17. Unit of power.
  10. 19. Opposition to the flow of electric current.
  11. 20. CURRENT Current that periodically reverses direction.
  12. 23. MEAN SQUARE Value of AC equivalent to DC for power calculations (abbreviation).
  13. 24. Flow of electric charge (unit: amperes).
  14. 25. Group of photovoltaic cells connected together.
  15. 26. RINGS Maintain electrical contact with a rotating coil in an alternator.
  16. 29. Multiple modules connected for large-scale electricity generation.
  17. 30. CURRENT Current that flows in one direction only.
  18. 32. CURRENT Direction of current from positive to negative terminal.
  19. 33. CELL Converts light energy directly into electricity.
  20. 37. COIL Coil where induced voltage is delivered in a transformer.