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