Chapter 9 Vocabulary

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Across
  1. 4. the region around a charged object where the object's electric force is e3xerted on other charged objects.
  2. 8. any material that attracts iron and materials that contain iron.
  3. 10. a magnet created by wrapping a coil of wire with a current running through it around a core of material that is easily magnetized.
  4. 12. the force between charged objects.
  5. 13. a buildup of charges on an object.
  6. 14. a force produced when magnetic poles interact.
  7. 15. the continuous flow of electrical charges through a material.
  8. 18. a device that increases or decreases voltage, which often consists of two separate coils of insulated wires wrapped around an iron core.
  9. 19. a tiny particle that moves around the outside of the nucleus of an atom.
Down
  1. 1. a coil of wire with a current.
  2. 2. the force of attraction or repulsion of magnetic materials.
  3. 3. the process of generating an electric current from the motion of a conductor through a magnetic field.
  4. 5. a device that uses an electromagnet to detect small amounts of current.
  5. 6. the region around a magnet where the magnetic force is exerted.
  6. 7. a material that allows electric charges to flow.
  7. 9. a device that transfers mechanical energy into electrical energy.
  8. 11. the relationship between electricity and magnetism.
  9. 16. a device that transforms electrical energy to mechanical energy.
  10. 17. the ends of a magnetic object, where the magnetic force is strongest.