Semiconducting Devices Question 156
Question: When N-type of 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
Show Answer
Answer:
Correct Answer: D
Solution:
When a free electron is produced, simultaneously a hole is also produced.
