Semiconducting Devices Question 185
Question: Regarding a semiconductor which one of the following is wrong
[CPMT 2004]
Options:
A) There are no free electrons at room temperature
B) There are no free electrons at 0 K
C) The number of free electrons increases with rise of temperature
D) The charge carriers are electrons and holes
Show Answer
Answer:
Correct Answer: A
Solution:
At room temperature, few bonds breaks and electron hole pair generates inside the semiconductor.
