Lesson Plan: Current Rectification Physics

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to relate the output of a current-rectification circuit to the design of the circuit.


Students will be able to

  • identify how a time-varying current will change when it is half-rectified or fully rectified,
  • identify and draw on a graph the time-varying current that will be produced from a circuit that contains one or more diodes, given the input time-varying current,
  • identify and draw the circuit diagram for a bridge circuit consisting of four diodes.


Students should already be familiar with

  • the action of diodes within a circuit,
  • the alternating current.


Students will not cover

  • mechanical current rectification or any form of current rectification not based on diodes,
  • the production of alternating current from direct current.

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