Question

On increasing the temperature, the increase in conductivity of intrinsic semiconductor is due
(A) Decrease in band gap between valence band and conduction band
(B) Increase in electrons in conduction band
(C) Increase in negative charged electrons than positive holes in valence band
(D) Increase in electrons in valence band​

Answer 1

$\huge\colorbox{cyan}{Answer}$

0n Increasing the temperature, the increase in conductivity of intrinsic semi conductor is due to

Increase in electrons in conduction band

option B

Answer 2

option B is the correct answer