Teaching HTET PGT Level 3 - 2024 Mock Test Physics Semiconductors

A certain n-type semiconductor has a resistivity of 0.25 Ωm and the mobility of electrons in them is 0.3 m2 per V-s. Calculate the number of donor atoms per m3 of this n-type semiconductor.

1
2.35 × 1019 
2
4.58 × 1019 
3
8.34 × 1019 
4
6.76 × 1019 
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