PHYSICS 2 word puzzle

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Across
  1. 2. It attracts metallic objects such as metal paper clip and iron nails.
  2. 3. a negatively charged subatomic particle
  3. 5. is bending of wave forms as they pass through split the obstacles.
  4. 8. The SI unit of potential difference.
  5. 11. It is the power supply or power source.
  6. 13. is the pressure from an electrical circuit's power source
  7. 15. it is reflected sound
  8. 18. circuit comprises branches so that the current divides and only part of it flows through any branch.
  9. 20. The center portion of an atom.
  10. 21. states that the current through a conductor between two points
  11. 22. the lowest point of wave.
  12. 23. It is the Electricity in motion.
  13. 25. generate the plane waves and let these through two small sit in a diffacted by the splits.
  14. 26. studies the behavior of ligh, including it's interaction with matter and the construction of instrument.
  15. 27. size comparison of axial-lead resistors
  16. 30. the distance travelled by a particular point on the wave in the given interval of time.
Down
  1. 1. is an influence that causes the motion of an object with mass to change its velocity, i.e., to accelerate.
  2. 2. an instrument used to measure the properties of electrical
  3. 4. law the electric force for charges at rest has the following properties
  4. 6. It is a wave narrow normal to the wave and pointing in the direction of propagation.
  5. 7. the maximum displacement of the wave it is the maximum height from the centre line to the crest or the trough.
  6. 9. movement of electrons invisible force
  7. 10. the form of water waves normally comes to our mind when we talk about waves.
  8. 12. Smallest piece of an element containing all of the properties of that element.
  9. 14. it measures a small amount of voltage
  10. 16. the highest point in the wave train
  11. 17. the flow of electric charge
  12. 19. it measures a small amount of current.
  13. 20. uncharged automatic particles
  14. 24. positively charged automatic particles
  15. 28. A circuit that contains only one path for current flow
  16. 29. an act or instance of resisting