Unit 4 Magnetism

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Across
  1. 2. an invisible force created when electrons all spin in the same direction
  2. 6. a coil of wire
  3. 9. converts electrical energy into mechanical energy
  4. 10. magnetic field around a straight current carrying wire.
  5. 13. magnetic field is produced by an electric current
  6. 14. loops of electric current that form within a conductor when the magnetic field around it changes
  7. 15. a material attracted to a magnet
  8. 16. part of generator that turns
Down
  1. 1. the production of a electromotive force (EMF) across an electric conductor in a changing magnetic field
  2. 3. regions at the end of a magnet where the magnetic field is strongest
  3. 4. steps up or steps down voltage
  4. 5. a region around a magnetic material or a moving electric charge within which the force of magnetism acts
  5. 7. current flows in a direction such that the magnetic field created from the current opposes the change that induced it.
  6. 8. a natural magnet used by the chinese 2600 years ago.
  7. 11. part of electric motor attached to copper coil
  8. 12. converts mechanical energy into electrical energy