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Depletion region of p-n junction complet...

Depletion region of p-n junction completely vanishes if

A

a suitable forward bias is appled

B

a suitable reverse bias is applied

C

a light of suitable frequency is made incident from outside

D

Zener effect takes place

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
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Knowledge Check

  • If a p-n junction is reverse biased then

    A
    a potential barrier is created at the junction
    B
    the effective resistance reaches an infinite value
    C
    a small current is obtained due to diffusion of majority carrier electrons and holes
    D
    In spite of increasing the reverse bias the reverse current remains almost unchanged

  • When a p-n junction is reverse biased then

    A
    no current flows
    B
    the depletion layer is increased
    C
    the depletion layer is decreased
    D
    hight of potential barriers is reduced

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    If a p-n junction diode is in reversed bias

    What are p-type and n-type semiconductor? What is the resistance of a p-n junction diode when it is reverse biased?

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