When p-n junction diode is forward biased, then

  • Option 1)

    the depletion region is reduced and barrier height is increased

  • Option 2)

    the depletion region is widened and barrier height is reduced.

  • Option 3)

    both the depletion region and barrier height are reduced

  • Option 4)

    both the depletion region and barrier height are increased

 

Answers (1)

As we learnt in

Dynamic Resistance -

R_{d}= \frac{dv}{di}