A Ge specimen is doped with Al. The concentration of acceptor atoms is ~10 21 atoms/m 3 …
Physics · JEE Advanced · NTA Exams — Electronic Devices
A Ge specimen is doped with Al. The concentration of acceptor atoms is ~1021 atoms/m3. Given that the intrinsic concentration of electron hole pairs is \(\sim 0^{9} / \mathrm{m}^{3}\), the concentration of electrons in the specimen is
- 1017/m3
- 1015/m3
- 104/m3
- 102/m3
Answer
(A) 10 17 /m 3
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