departmental puzzle

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Across
  1. 2. The electrical separation between two conductors or two circuits.
  2. 4. Apparatus for controlling the distribution of electrical energy
  3. 5. A system that adjusts some variable to control a process
  4. 8. A waveform that has a frequency which is an integer multiple of another frequency
  5. 9. A brand of computer software for electronic circuit simulation
  6. 12. A liquid or solid medium that carries electric current in the form of ions
  7. 13. The reference point in an electrical circuit from which voltages are measured
  8. 17. an electrical device for attenuating the strength of an electrical signal
  9. 19. A two-terminal passive circuit element, with a preferred direction of current flow
  10. 20. The maximum amount of electric current a conductor or device can carry before sustaining immediate or progressive deterioration
Down
  1. 1. A light sensor that produces or alters a voltage when light is present
  2. 3. A transient excursion of a signal beyond its stead state value
  3. 6. The SI unit of luminous flux
  4. 7. a graphical method for analyzing the properties of a transfer function as some parameter is varie
  5. 10. The resistance that a magnetic circuit offers to lines of force in a magnetic field.
  6. 11. The average value of power over a specified period of time
  7. 14. A circuit that demodulates a radio signal to recover information
  8. 15. it is an electrical discharge brought on by the ionization of a fluid
  9. 16. Marks made on a surface that experienced flashover
  10. 18. An electrical coil switch that uses a small current to control a much larger current.