0 votes 0 votes The electron and hole concentrations in a intrinsic semiconductor are $n_i$ and $p_i$ respectively. When doped with a $p$-type material, these change to $n$ and $p$, respectively. Then $n+p=n_i+p_i$ $n+n i=p+p_i$ $n p_i=n_i p$ $n p=n_i p_i$ Others gate1998-ec + – admin asked Sep 26, 2022 • edited Dec 1, 2023 by makhdoom ghaya admin 46.4k points 64 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.