The number density of free electrons in the semiconductor is `10^(18)m^(-3)`.
Channel: Doubtnut
Date: 2020-08-02

The number density of free electrons in the semiconductor is `10^(18)m^(-3)`. It is doped with a pentavalent impurity atoms of number density `10^(24)m^(-3)`, the number density of free electrons `m^(-3)` increases by a factor of