Q.

Semiconductors behave like insulators at ___________

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a

 0o

b

0 K

c

273 K

d

None of the above

answer is B.

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Detailed Solution

At 0 K temperature, all electrons of semiconductor are immovable from their shell as they do not have sufficient energy. So no free electron is available as charge carrier. This make the semiconductors to behave like insulators.

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