Electricity

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Across
  1. 3. The unit of electric current.
  2. 4. A closed path for electricity to flow.
  3. 5. Phenomenon associated with magnetic fields.
  4. 7. Type of current that reverses direction periodically.
  5. 10. The unit of electrical power.
  6. 12. Type of current that flows in one direction.
  7. 14. Device used to open or close an electrical circuit.
  8. 15. A safety device that breaks a circuit when overloaded.
  9. 16. Machine that converts mechanical energy to electrical energy.
  10. 17. The capacity to do work or provide power.
  11. 18. The flow of electric charge in a circuit.
  12. 20. Material that allows the easy flow of electrons.
  13. 21. The unit of electrical resistance.
Down
  1. 1. A device that stores electrical energy.
  2. 2. Device used to change voltage levels.
  3. 6. Component that stores electrical charge.
  4. 8. Property that opposes the flow of current.
  5. 9. The electrical potential that drives current flow
  6. 11. The rate at which work is done or energy is transferred.
  7. 13. Material that restricts the flow of electrons.
  8. 17. Negatively charged subatomic particle.
  9. 19. Unit of energy in the International System of Units (SI).