Semiconductor Electronics Materials Devices and Simple Circuits - Result Question 38
39. The intrinsic semiconductor becomes an insulator at
(a) $0^{\circ} C$
(b) $0 K$
(c) $300 K$
(d) $-100^{\circ} C$
[2001]
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Answer:
Correct Answer: 39. (a)
Solution:
- (a) At $0 K$, motion of free electrons stop. Hence conductivity becomes zero. Therefore, at $0 K$ intrinsic semiconductor becomes insulator.
