Electronic Devices Question 56
Question: (USS 133) Indium impurity in germanium makes
[EAMCET (Engg.) 1995]
Options:
A) N-type
B) P-type
C) Insulator
D) Intrinsic
Show Answer
Answer:
Correct Answer: B
Solution:
Indium is trivalent, hence on doping with it, the intrinsic semiconductor becomes P-type semiconductor.