Which of the following statements is correct for a diode in a rectifier circuit?

  • A
    In a full-wave rectifier,both diodes work alternatively.
  • B
    In a full-wave rectifier,both diodes work simultaneously.
  • C
    The efficiency of a full-wave rectifier and a half-wave rectifier is the same.
  • D
    $A$ full-wave rectifier is bidirectional.

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