The valence band and conduction band of a solid overlap at low tempera – McqOptions

MCQOPTIONS

1.	The valence band and conduction band of a solid overlap at low temperature, the solid may be [Orissa JEE 2002; BCECE 2004]
A.	A metal
B.	A semiconductor
C.	An insulator
D.	None of these
Answer» B. A semiconductor

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