When the temperature of a semiconductor is reduced to absolute zero?

1.	When the temperature of a semiconductor is reduced to absolute zero?
A.	All electrons become free
B.	Electrons wave of higher velocities
C.	All valence electrons remain in the valence bands
D.	All valence electrons shift to forbidden gap
Answer» D. All valence electrons shift to forbidden gap

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When the temperature of a semiconductor is reduced to absolute zero?

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