AIIMS2013Physics-Semiconductors
AIIMS 2013 Physics Conductivity MCQ Question
Type: MCQ-numerical-Hard-Class 12
Given that the mobility of electrons in Ge is 0.4 m² V⁻¹ s⁻¹ and electronic charge is 1.6 × 10⁻¹⁹C. The number of donor atom (per m³) semiconductor of conductivity 500 mho/m is
A
8 × 10¹⁸
B
8 × 10¹⁵
C
5 × 10²³
D
8 × 10¹⁶
Correct Answer
Option A
Detailed Explanation
Using, σ = n e μ e...
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