Which One of the Following Statements Concerning Electron Energy Bands

question 31

Multiple Choice

Which one of the following statements concerning electron energy bands in solids is true?

• A)the bands occur as a direct consequence of the Fermi-Dirac distribution function
• B)electrical conduction arises from the motion of electrons in completely filled bands
• C)within a given band, all electron energy levels are equal to each other
• D)an insulator has a large energy separation between the highest filled band and the lowest empty band
• E)only insulators have energy bands

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