Physics 2 - Circuit Devices

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  • Created by: Sash
  • Created on: 21-05-13 19:49

Circuit Devices

Current Only Flows in One Direction through a Diode

  • A diode is a special device made from semiconductor material such as silicon.
  • It is used to regulate the potential difference in circuits.
  • It lets current flow freely through it in one direction, but not in the other.
  • This turns out to be real useful in various electonic circuits.

Light-Emitting diodes are Very Useful

  • A LED emits light when a current flows through it in a forward direction.
  • LEDs are being used more…


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