Circuit, Circuit, Circuits!

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Across
  1. 3. a system that connects electrical devices so that they will operate.
  2. 4. An electric circuit in which the components are in a single path so that the current has only one closed path to follow.
  3. 6. A rotating machine that transforms electrical energy into mechanical energy.
  4. 9. a drawing that uses symbols to show how the parts of an electric circuit are connected.
  5. 11. A substance that can act as a conductor or an insulator.
  6. 13. A device used to turn the electrical current in a circuit on or off
  7. 15. An electric circuit in which the components are connected so that the current can follow more than one closed path.
  8. 18. A path of low resistance made between two points in an electric circuit where the resistance is normally much higher.
  9. 19. a device that can produce an electric current as a result of chemical change in it.
  10. 20. A unit used to measure the electric potential of a battery.
Down
  1. 1. A metal strand used to connect electrical devices in a circuit.
  2. 2. A fine wire that becomes hot and produces light when an electric current passes through it.
  3. 5. a device used to indicate a closed path across two points in a circut.If the path between the two points is closed, the bulb of the circuit tester will light.
  4. 7. a flow of electric charge through something.
  5. 8. A device that allows electric current to flow through it in only one direction.
  6. 10. A material through which an electric current will not pass.
  7. 12. a material through which an electric current can pass.
  8. 14. (Light Emitting Diode)A Semiconductor Diode that emits light when activated. Current can only flow in one direction.
  9. 16. (amp}a unit used to measure the amount of electric current.
  10. 17. An electric lamp in which a filament produces light when an electrical current passes through it. Current can flow in both direction.