Electricity and Magnetism

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Across
  1. 2. magnet that increases strength of magnetic field
  2. 4. property of some materials where there is a force of attraction/repulsion between poles
  3. 7. differnce in electrical potential
  4. 9. shape of wire used to reinforce current
  5. 11. pull closer
  6. 14. material that does not allow heat/electrons to move thru it easily
  7. 16. device that contains rotating electromagnet
  8. 17. device that uses electromagnet induction to induce electrical current
  9. 18. push away
  10. 19. circuit that only has one path
  11. 22. power source
  12. 23. device that can increase/decrease voltage of alternating current
  13. 24. material that allows electrons to move easily thru it
  14. 25. force produced when magnetic poles interact
Down
  1. 1. enegry due to motion
  2. 3. region around a magnet where magnetic forces act
  3. 5. relationship between electricity and magnetism
  4. 6. opposittion to flow of electrons
  5. 8. energy due to position
  6. 10. strong temporary magnet
  7. 12. area surrounding an electron that exerts a force on anything nearby with an electric charge
  8. 13. circuit where current flows thru many paths
  9. 15. characteristic of unit of matter that expresses extent to which it has more or less electrons than protons
  10. 20. two ends of piece of magnetic material
  11. 21. coil of wire with current that acts like a bar magnet