Semiconducting Devices Question 168
Question: An N-type and P-type silicon can be obtained by doping pure silicon with
[EAMCET (Med.) 2000]
Options:
A) Arsenic and Phosphorous
B) Indium and Aluminium
C) Phosphorous and Indium
D) Aluminium and Boron
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Answer:
Correct Answer: C
Solution:
Phosphorus is pentavalent while Indium is trivalent.
