Ch. 17 Terms

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Across
  1. 1. The opposition offered by one thing
  2. 4. The source of high electrical potential
  3. 9. An electric current that reverses direction at regular intervals, having a magnitude that varies continuously in sinusoidal manner
  4. 12. A device for interrupting an electric circuit to prevent excessive current, as that caused by a short circuit, from damaging the apparatus in the circuit or from causing a fire
  5. 15. A closed electrical circuit in which the current is divided into two or more paths and then returns via a common path to complete the circuit
  6. 16. The standard unit of potential difference and electromotive force in the International System of Units
  7. 17. A switch that turns on/off a circuit
  8. 19. Passing in time
  9. 20. A decrease in voltage along a conductor through which current is flowing
Down
  1. 2. A person who conducts
  2. 3. an electric current of constant direction, having a magnitude that does not vary or varies only slightly
  3. 5. Land having an indicated character
  4. 6. The weight supported by a structure or part
  5. 7. The science dealing with electric charges and currents
  6. 8. A device that tests and measures electrical circuits
  7. 10. They help prevent faulty circuits from causing damage
  8. 11. A tube, cord, or the like, filled or saturated with combustible matter, for igniting an explosive
  9. 13. The law that for any circuit the electric current is directly proportional to the voltage and is inversely proportional to the resistance
  10. 14. An act or instance of going or moving around
  11. 18. All the parts in a circuit in a single path