Physical Science Ch 19 Electricity

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Across
  1. 5. The field force between two charged objects.
  2. 6. An electrical safety device that opens the circuit by melting when an overheated condition occurs due to excessive current.
  3. 9. An electrical safety device consisting of an automatic switch that opens when there is too much current in a circuit.
  4. 10. The force that moves electric charge carriers through an electrical circuit.
  5. 13. An electrical device that slows down electric current by converting electrical energy into other forms, such as thermal energy.
  6. 14. The act of providing a path for electrical charge to move into the earth.
  7. 15. The property of matter indicating the degree to which the material slows down the flow of charge carriers.
  8. 17. The loop through which current electricity can flow.
  9. 18. A material through which electric charge moves easily.
  10. 19. An unintended path for an electric current.
  11. 20. Electric current in which electric charges move in only one direction.
  12. 21. Electricity involving moving electric charges.
  13. 22. Examples are fixed and variable.
  14. 24. Examples are a battery, photovoltaic cell, and an AC generator.
Down
  1. 1. Examples are open and closed toggle, and push.
  2. 2. The principle that states that charge cannot be created or destroyed but only transferred between objects.
  3. 3. The work per second done or produced by an electrical system.
  4. 4. A material through which electric charge does not move easily.
  5. 7. A three-dimensional region around a charged object that will apply a force on other charged objects within that region.
  6. 8. A circuit with multiple paths that electric current can take.
  7. 11. The movement of electric charge through a complete loop.
  8. 12. The accumulated electric charge on an object.
  9. 16. Electric current in which the charge carriers change direction periodically.
  10. 18. Movement of electric charge or thermal energy through an object or form object to object through direct contact.
  11. 23. A circuit with only one path that electric current can take.
  12. 25. The law that states that the current in a circuit is directly related