4 If resistivity of pure silicon is 3000 ohm m and the

Last updated: 6/9/2023

4 If resistivity of pure silicon is 3000 ohm m and the electron and hole motilities are 0 12m v s and 0 45 m v s respectively determine i The resistivity of a specimen of material when 10 9 atoms of phosphorus are added per m ii The resistivity of the specimen if further 2x10 9 boron atoms per m are also added