The approximate ratio of resistances in the forward and reverse bias of the PN-junction diode is

  • Option 1)

    10^{2}:1

  • Option 2)

    10^{-2}:1

  • Option 3)

    1:10^{-4}

  • Option 4)

    1:10^{4}

 

Answers (1)
P Prateek Shrivastava

As we learnt in 

P -N junction as diode -

It is a one way device. It offers a low resistance when forward biased and high resistance when reverse biased.

- wherein

R = 0, Forward 

\rightarrow \infty Reverse

 

 Ratio of forward to reverse bias resistance is of the order of  1:10^{4}


Option 1)

10^{2}:1

Incorrect

Option 2)

10^{-2}:1

Incorrect

Option 3)

1:10^{-4}

Incorrect

Option 4)

1:10^{4}

Correct

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