Electricity Crossword Puzzle - Exam Extra Credit

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Across
  1. 4. a material in which electric current does not flow freely
  2. 8. the resistance that an object encounters when moving against or over another
  3. 10. a particle with a positive electric charge
  4. 11. comprises a path along which the whole current flows through each component
  5. 14. an instrument for measuring electric current in amperes
  6. 15. comprises branches so the current divides and only part of it flows through a branch
  7. 16. an instrument used for measuring the electric potential difference between two points in an electric circuit
  8. 17. the direction of the oscillation is perpendicular to the direction of motion of the wave
  9. 18. a physical property of matter experiences a force when placed in an electromagnetic field
  10. 20. the measure of the opposition to the flow of the electric current, SI unit is ohm
  11. 21. is exerted between any two electrically charged objects
  12. 22. positively charged ion
Down
  1. 1. the field that surrounds electrically charged particles. Exerts force on all other charged particles in the field, either attracting or repelling them.
  2. 2. a particle with a negative charge
  3. 3. an electric charge, typically produced by friction
  4. 5. negatively charged ion
  5. 6. electricity flowing in only one direction
  6. 7. a material that can create heat
  7. 9. the rate at which electrical energy is transferred by an electric circuit, SI unit of power is watt
  8. 12. the flow of electric charge in a circuit
  9. 13. an electromotive force
  10. 14. an electric current that reverses its direction
  11. 19. the process by which heat or electricity is directly transmitted through the contact of 2 objects