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...

Found an issue with this question?