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If WF is the Fermi level, then in a metal at T = 0 | |
A. | all energy levels above WF filled, all those below WF are empty [Wrong Answer] |
B. | all energy levels below WF are filled, all those above WF are empty [Correct Answer] |
C. | some energy levels, both below and above WF, are filled [Wrong Answer] |
D. | all energy levels below and above WF are filled [Wrong Answer] |