Get Answers to all your Questions

header-bg qa

In forward biasing of the p-n junction

  • Option 1)

    the positive terminal of the battery is connected to p-side and the depletion region becomes thick.

  • Option 2)

    the positive terminal of the battery is connected to n-side and the depletion region becomes thin

  • Option 3)

    the positive terminal of the battery is connected to n-side and the depletion region becomes thick.

  • Option 4)

    the positive terminal of the battery is connected to p-side and the depletion region becomes thin

 

Answers (1)

 

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 


ightarrow infty Reverse

 

 For forwarding biasing we reduce the potential barrier across the depletion region and hence we connect positive terminal to p type and negative terminal to n type. In this process depletion region becomes thin as depletion region \propto \frac{I}{V}

 


Option 1)

the positive terminal of the battery is connected to p-side and the depletion region becomes thick.

This option is incorrect

Option 2)

the positive terminal of the battery is connected to n-side and the depletion region becomes thin

This option is incorrect

Option 3)

the positive terminal of the battery is connected to n-side and the depletion region becomes thick.

This option is incorrect

Option 4)

the positive terminal of the battery is connected to p-side and the depletion region becomes thin

This option is correct

Posted by

subam

View full answer

NEET 2024 Most scoring concepts

    Just Study 32% of the NEET syllabus and Score up to 100% marks