Electronic Devices Question 29
Question: In a semiconductor, the concentration of electrons is $ 8\times 10^{14}/cm^{3} $ and that of the holes is $ 5\times 10^{12}cm^{3}. $ The semiconductor is
[MP PMT 1997; RPET 1999; Kerala PET 2002]
Options:
A) P-type
B) N-type
C) Intrinsic
D) PNP-type
Show Answer
Answer:
Correct Answer: B
Solution:
Since ne > nh; the semiconductor is N-type.
