Electronic Devices Question 64
When an N-type semiconductor is heated
[CBSE PMT 1993; DPMT 2000]
Options:
A) Number of electrons increases while that of holes decreases
B) Number of holes increases while that of electrons decreases
C) Number of electrons and holes remains same
D) Number of electrons and holes increases equally
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Answer:
Correct Answer: D
Solution:
When a free electron is produced, simultaneously a hole is also produced.
BETA
