unit 3 vocabulary

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Across
  1. 3. a material or an object that conducts heat, electricity , and light
  2. 4. law deals with the relationship between voltage and current in an ideal conductor
  3. 5. a thing or substance used for insulation
  4. 6. current an electric current that flows in one direction
  5. 8. a stable subatomic particle with a charge of negative electricity
  6. 10. the opposition that a substance offers to the flow of electric current
  7. 11. a unit of electric current equal to a flow of one coulomb per second
  8. 13. the basic unit of a chemical unit
  9. 14. an electromotive force or potential difference expressed in volts
Down
  1. 1. a subatomic particle of about the same mass as a proton
  2. 2. current an electric current that reverses its direction
  3. 7. a flow of electric charge
  4. 9. is the SI derived unit of electrical resistance
  5. 12. a subatomic particle with a positive charge\