Electricity and Magnetism

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Across
  1. 3. materials that prevent electric charges from flowing through them easily
  2. 9. wire that melts and breaks a circuit if too much current is flowing
  3. 10. lines that show the shape of a magnetic field
  4. 15. force of attraction or repulsion
  5. 16. law which states that the current in a wire is equal to the voltage divided by the resistance
  6. 17. force that makes electrons move
  7. 19. atomic particle with a positive electric charge
  8. 20. path that an electric current follows
  9. 21. form of energy caused by moving electrons atomic particle with a negative electric charge
  10. 23. device in which alternation current in one coil of wire induces a current in a second coil
Down
  1. 1. circuit in which electric current can follow more than one path
  2. 2. materials that allow electric charges to flow through them easily
  3. 4. device that changes electrical energy into mechanical energy
  4. 5. current in which electrons always flow in the same direction
  5. 6. unit used to measure electric current
  6. 7. device that changes mechanical energy into electrical energy
  7. 8. unit used to measure resistance
  8. 11. opposition to the flow of electric current
  9. 12. flow of electrons through a conductor
  10. 13. series of electrochemical cells connected together
  11. 14. atomic particle with neither a negative electric charge
  12. 18. unit used to measure voltage
  13. 22. two ends of a magnet