AIIMS2002Physics-Semiconductors
AIIMS 2002 Physics Properties of Semiconductors MCQ Question
Type: MCQ-conceptual-Medium-Class 12
At 0 K temperature, a p-type semiconductor
A
does not have any charge carriers
B
has few holes but no free electrons
C
has few holes and few free electrons
D
has equal number of holes and free electrons
Correct Answer
Option B
Detailed Explanation
At 0 K temperature, a pure semiconductor behaves as an insulator, because it has a few holes in its valence band. But there is no free electron in this state.
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