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The electrical conductivity of an intrin...

The electrical conductivity of an intrinsic semiconductor at 0 K is

A

less than that of an insulator

B

equal to zero

C

equal to infinity

D

more than that of an insulator

Text Solution

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The correct Answer is:
D
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Assertion : Electrical conductivity of intrinsic semiconductors increases with increasing temperature. Reason : With increase in temperature, large number of electrons from the valence band can jump to the conduction band.

Statement 1: Electrical conductivity of intrinsic semiconductors increases with increasing temperature. Statement 2: With increase in temperature, large number of electrons from the valence band can jump to the conduction band.