Electricity

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Across
  1. 4. device having resistance to an electric current
  2. 7. the charge that electrons have
  3. 11. 29th element on the periodic table
  4. 12. form of energy resulting from changed particles
  5. 14. to put too much power into a battery
  6. 15. unit of electric current equal to a flow of one coulomb per second
  7. 16. a sudden increase in electrical power that will damage anything connected
  8. 17. process of making something work by electricity
  9. 21. container consisting of one or more cells, used as a source of power
  10. 22. death caused by electric shock
  11. 23. electrical circuit in a device of lower resistance
  12. 25. not positive or negative
  13. 27. an amount of electricity
  14. 28. path between two or more points which an electric current can be carried
  15. 30. material that doesn't let heat, electricity or light to pass through it
  16. 33. Benjamin _______
  17. 34. abbreviation for alternating current
  18. 35. electrical power produced or used in small quantities
  19. 37. electrical or another energy put into a machine
  20. 38. lacking in movement
Down
  1. 1. a measure of electrical resistance
  2. 2. set of wires that carries the electricity supply
  3. 3. material through which an electric current can pass
  4. 5. instrument for measuring electric current in amperes
  5. 6. negatively charged particles
  6. 8. instrument for measuring electric potential in volts
  7. 9. machine that converts mechanical energy into electricity
  8. 10. using water to produce electricity
  9. 13. point of connection for closing an electric circuit
  10. 18. early pioneer of bio-electricity, Luigi ______
  11. 19. SI unit of electromagnetic force
  12. 20. metal in form of thin, flexible thread/rod
  13. 24. apparatus that increases/reduces voltage of AC
  14. 26. travels from the ground up, comes before thunder
  15. 29. a power cut
  16. 31. flow of electrical charge carriers
  17. 32. particle with a positive charge
  18. 36. supply of electricity to your home or work