MCQ
(USS 133) Indium impurity in germanium makes
- A(a) N-type
- ✓(b) $P$-type
- C(c) Insulator
- D(d) Intrinsic
✓
Answer
Correct option: B.
(b) $P$-type
(b) Indium is trivalent, hence on doping with it, the intrinsic semiconductor becomes $P$-type semiconductor.
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