Home
Class 12
PHYSICS
In an unbiased p-n junction holes diffus...

In an unbiased p-n junction holes diffuse from the p-region to the n-region because

A

free electrons in the n-region attract them

B

they move across the junction by the potential difference

C

hole concentration in p-region is more as compared to n-region

D

all the above

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTORS AND ELECTRONICS

    CHHAYA PUBLICATION|Exercise NCERT EXEMPLAR QUESTIONS WITH ANSWER HINT (Single Option Correct )|6 Videos

  • SEMICONDUCTORS AND ELECTRONICS

    CHHAYA PUBLICATION|Exercise NCERT EXEMPLAR QUESTIONS WITH ANSWER HINT (Multiple Options Correct )|1 Videos

  • SEMICONDUCTORS AND ELECTRONICS

    CHHAYA PUBLICATION|Exercise HIGHER ORDER THINKING SKILL (HOTS) QUESTIONS|18 Videos

  • REFRACTION OF LIGHT

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|11 Videos

Similar Questions

Explore conceptually related problems

In which kind of biasing of a p-n junction the net holes flows the n-region to the p-region ?

If a p-n junction is reverse biased then

When a p-n junction is reverse biased then

If a p-n junction diode is not connected in a circuit then

If a p-n junction diode is in reversed bias

The potentiaI barrier of a p-n junction diode is 0.4 V . If the thickness of the depIetion region be , what wiII be 4.0 xx 10^(-7) the eIectric fieId intensity in this region? An eIectron from the n-region moves towards the p-n junction with veIocity 6xx10^(5) "m".s^(-1) . What will be the veIocity of the eIec- tron with which it enters the p-region?

In a p-n junction diode change in temperature due to heating

An electron is not deflected on passing a certain region because

In an n-p-n transistor