Assume that the number of hole-electron pair in an intrinsic
Channel: Doubtnut
Date: 2020-02-09

Assume that the number of hole-electron pair in an intrinsic semiconductor is proportional to `e^(- Delta E//2KT)`. Here `Delta E` = energy gap and `k=8.62 xx 10^(-5) eV//\"kelvin\"` The energy gap for silicon is `1.1 eV`. The ratio of electron hole pairs at`300 K` and `400 K` is :