Question

Why a semiconductor behaves as an insulator at absolute zero temperature?

Answer 1

Answer:

At room temperature, a semiconductor has enough free electrons to allow it to conduct current. At or close to absolute zero a semiconductor behaves like an insulator. ... When the electron is bound, and thus cannot participate in conduction, the electron is at a low energy state.....

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Answer 2

Semiconductor behave as insulator at zero temptature because there is no dessosiation of bond so the no free electron is present and that's why no current is passed .