Which type of behaviour is shown by a pure Germanium at absolute zero temperature?a)Conductorb)Semiconductorc)Insulatord)Cant predictCorrect answer is option 'C'. Can you explain this answer? - EduRev Electronics and Communication Engineering (ECE) Question

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Which type of behaviour is shown by a pure Germanium at absolute zero temperature?

a)
Conductor
b)
Semiconductor
c)
Insulator
d)
Can't predict

Correct answer is option 'C'. Can you explain this answer?

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Which type of behaviour is shown by a pure Germanium at absolute zero ...

An ideal, perfectly pure semiconductor (with no impurities) is called an intrinsic semiconductor.
At absolute zero temperature valence band is full of electrons and the conduction band is empty, hence there are no free electrons in the conduction band and holes in the valence band.
The charge carrier concentration is zero. Hence intrinsic semiconductor behaves like an insulator

Hence, at zero temperature the intrinsic semiconductor behaves like an insulator. The correct option is 3.

Answered by Gate Gurus · View profile

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Which type of behaviour is shown by a pure Germanium at absolute zero temperature?a)Conductorb)Semiconductorc)Insulatord)Cant predictCorrect answer is option 'C'. Can you explain this answer?

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