Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • The probability of electrons to be found in the conduction band of an intrinsic semiconductor at a finite temperature Option: 1 increases expone

The probability of electrons to be found in the conduction band of an intrinsic semiconductor at a finite temperature 

Option: 1

increases exponentially with increasing band gap
 


Option: 2

decreases exponentially with increasing band gap
 


Option: 3

decreases with increasing temperature
 


Option: 4

is independent of the temperature and the band gap


Answers (1)

best_answer

 For an intrinsic semiconductor, at a finite temperature, the probability of electrons existing in the conduction band decreases exponentially with an increasing bandgap \left(E_{g}\right) 
The relation is n=n_{0} e^{-E_g/2 k_{g} T} 
 

where  E_{g}=  Energy band gap
          k_{B}=  Boltzmann's constant.

Hence, 2 is the correct option.

Posted by

shivangi.bhatnagar

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions