Electricity Crossword Puzzle

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Across
  1. 2. The reference point in an electrical circuit from which voltages are measured
  2. 4. A drawn diagram of a circuit
  3. 7. A type of current that periodically changes direction
  4. 10. The amount of opposition to a current
  5. 11. A part of a circuit that is used to open or close the circuit
  6. 12. A type of current that never changes direction
  7. 13. The unit of measure that is used to measure resistance in a circuit
  8. 15. A material that does not effectively transport electrons from one atom to another and has a high resistance
Down
  1. 1. The flow of electricity that is measured in amperes
  2. 3. A circuit with only one path for electricity to flow
  3. 5. A container in which chemical energy is converted into electricity that is used as a source of power
  4. 6. A circuit with more than one path for electricity
  5. 8. A material that quickly and effectively transports electrons from one atom to another and has a low resistance
  6. 9. The negatively charged part of an atom
  7. 14. A machine that runs on electricity that supplies power for a vehicle or other device with moving parts