A forward biased PN junction diode has a resistance of the order of

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URSC ISRO Technical Assistant Electronics 13 November 2016 Official Paper
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  1. Ω
  2. None of the above

Answer (Detailed Solution Below)

Option 1 : Ω
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  • In forward bias, the resistance of a PN junction is of the order of Ω, approximately 100 Ω
  • Reverse bias PN junction has a resistance of the order of MΩ 

26 June 1

  • The ideal diode will acts as a short circuit in forward bias and open circuit in reverse bias condition.
  • Hence the forward resistance of the ideal diode is zero and reverse resistance of the ideal diode is infinity.
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