Electricity & Magnetism Vocabulary

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Across
  1. 2. related to force that causes electric charges to flow
  2. 4. accumulation of excess electric charge on an object
  3. 5. circuit with only one branch or loop
  4. 7. opposes or resists flow of electrons
  5. 10. circuit with more than one branch or loop
  6. 12. movement of electic charges in single direction
  7. 13. properties and interactions of magnets
  8. 15. device that uses electromagnet to measure electric current
  9. 18. temporary magnet formed with wire wrapped around metal cylinder with electricity running through it
  10. 22. reverses electron flow in a regular pattern
  11. 23. material in which electrons can't move easily
  12. 24. coil of wire when electricity goes through, creates magnetic field
Down
  1. 1. closed path that electric current follows
  2. 3. regions of magnet that exerts strongest force (N & S)
  3. 6. movement of electrons
  4. 8. electrons flow in one direction
  5. 9. turns electric energy to mechanical energy
  6. 11. device that increases or decreases voltage of AC
  7. 14. current equals voltage divided by resistance
  8. 16. material through which electrons move easily
  9. 17. turns mechanical energy to electic energy
  10. 19. region of space that surrounds a magnet & exerts a force
  11. 20. groups of atoms with aligned magnetic poles
  12. 21. charging of neutral object by a nearby charged object