Practice question

A diode in a motorcycle regulator/rectifier assembly primarily:

  1. Stores mechanical energy like a flywheel
  2. Measures air–fuel ratio directly
  3. Allows current mainly in one direction, converting AC from the generator toward DC charging use
  4. Replaces the need for a fuse

Answer: C — Allows current mainly in one direction, converting AC from the generator toward DC charging use

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