electricty unit physics

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Across
  1. 2. Changes electrical energy into heat and light energy
  2. 4. Measures resistance
  3. 6. an area where a charged particle experiences a force
  4. 9. Changes electrical energy into kinetic energy.
  5. 12. Electrical switch. Used to turn on separate circuits remotely
  6. 14. the charge passing a point in one second
  7. 15. measures voltage across a component
  8. 16. Resistance changes depending on temperature
  9. 19. Changes light energy into electrical energy
  10. 21. Changes electrical energy into light energy, Low current, needs a protective resistor in series, Only allows current flow in one direction
Down
  1. 1. Changes electrical energy into sound energy
  2. 3. Changes sound energy into electrical energy
  3. 5. to reduce current in a circuit
  4. 7. Stores charge. Used in timing circuits
  5. 8. ____ currents - electrons flow direction is constantly changing
  6. 10. the energy transferred in one second.
  7. 11. ____ current - electrons flow in only one direction
  8. 13. measures electrical current in a component
  9. 17. voltage across a conductor is directly proportional to the current flowing in it
  10. 18. measure of energy given to the charges
  11. 20. Resistance changes depending on light intensity