AIIMS2004Physics-Semiconductors
AIIMS 2004 Physics Doping MCQ Question
Type: MCQ-numerical-Medium-Class 12
A Ge specimen is doped with Al. The concentration of acceptor atoms is = 10¹⁷ atoms/m³. Given that the intrinsic concentration of electron-hole pairs is = 10¹⁹/m³, the concentration of electrons in the specimen is
A
10¹⁷/m³
B
10¹⁵/m³
C
10¹⁹/m³
D
10¹³/m³
Correct Answer
Option D
Detailed Explanation
When Ge specimen is doped with Al, concentration of acceptor atoms is also called concentration of holes.
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