Electricity crossword puzzle

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Across
  1. 5. changes AC to DC
  2. 8. stores an electrical charge
  3. 14. the number of electrical pulses delivered to the body in one second.
  4. 15. waveform with linear wave motion , up or down , side to side
  5. 16. direct current with one polarity, it Varys in intensity and waveforms
  6. 17. interrupted direct current that visibly stimulates muscles
  7. 20. what is frequency measured in
  8. 24. another word for light therapy
  9. 25. transfers electricity by an oscillating magnetic field that connects two or more electrical circuits.
Down
  1. 1. periodic linear waveform that has equal rise and fall times.
  2. 2. dc to ac
  3. 3. unit of electrical pressure
  4. 4. interrupts power if there is contact with water
  5. 6. electricity being used
  6. 7. uninterrupted direct current; polarity varies
  7. 9. periodic waveform rise and fall times are different
  8. 10. prolonged heating of tissues with light to cause ablation
  9. 11. periodic waveform that instantly transitions between two levels of rise and fall times at a steady frequency
  10. 12. controls speed of motors
  11. 13. light what lights can humans see?
  12. 18. unit of electrical strength
  13. 19. unit of electrical resistance
  14. 21. waveform that has constant amplitude over the pulse duration.
  15. 22. short pulses of light and heat that break up target molecules.
  16. 23. reaction with light and molecules in the body that cause a chemical change or cellular stimulation