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A solid material has the band structure in the following figure, with the purple areas representing...

A solid material has the band structure in the following figure, with the purple areas representing regions occupied by electrons. The lower band is completely occupied by electrons, and the upper level is about one-third filled with electrons.

A solid material has the band structure in the fol

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Answer #1

ans. (1) This solud is metal

ans.(2) If all of the electrons were removed from upper band the electrical conductivity will decrease

ans(3) if we fill upper band completely that won't allow electron to move so it becomes insulator

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