Regarding a semiconductor which one of the following is wrong - Vidyadip

MCQ

Regarding a semiconductor which one of the following is wrong

✓
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

✓

Answer

Correct option: A.

There are no free electrons at room temperature

a
(a)At room temperature, few bonds breaks and electron hole pair generates inside the semiconductor.

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