Electricity & Waves

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Across
  1. 2. A method to safely discharge excess charge into the ground.
  2. 4. The potential difference between two points in a circuit.
  3. 9. The lowest point of a transverse wave.
  4. 10. A device used to measure voltage.
  5. 12. The number of waves that pass a point in one second (Hz).
  6. 13. A disturbance that transfers energy without transferring matter.
  7. 16. An energy source that is naturally replenished.
  8. 17. The relationship between voltage, current, and resistance (V = IR).
  9. 20. A wave where particles move parallel to the wave direction.
  10. 22. A switch that opens automatically when current is too high.
  11. 24. A device used to measure current.
  12. 26. The flow of electric charge, measured in amperes (A).
  13. 27. The region of high pressure in a longitudinal wave.
  14. 29. A material that does not allow current to flow easily.
  15. 30. How fast a wave travels (v = fλ).
  16. 32. The highest point of a transverse wave.
  17. 35. The time taken for one full wave to pass a point.
  18. 36. The distance between two identical points on a wave.
  19. 37. A measure of how much a material opposes the flow of current.
  20. 38. A property of matter, measured in coulombs (C).
Down
  1. 1. The region of low pressure in a longitudinal wave.
  2. 3. Current that flows in one direction only (DC).
  3. 5. The maximum displacement of particles from rest position.
  4. 6. A safety device that melts when too much current flows.
  5. 7. Current that reverses direction periodically (AC).
  6. 8. A path of low resistance that allows excessive current flow.
  7. 11. The rate at which energy is used, measured in watts (W).
  8. 14. A circuit where components are connected across multiple branches.
  9. 15. A source of stored chemical energy converted into electricity.
  10. 18. A negatively charged particle that moves in a circuit.
  11. 19. An energy source that cannot be replaced quickly.
  12. 21. The unit of resistance (Ω).
  13. 23. A closed loop that allows electric current to flow.
  14. 25. A wave where particles move perpendicular to the wave direction.
  15. 28. A device that converts mechanical energy into electrical energy.
  16. 31. A material that allows current to flow easily.
  17. 33. A circuit where components are connected one after another.
  18. 34. Electric charge that builds up on an object.