MCQOPTIONS
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| 1. |
Semiconductors have ______ conduction band and ______ valence band. |
| A. | A lightly filled; a moderately filled |
| B. | an almost filled; a moderately filled |
| C. | an almost empty; an almost filled |
| D. | an almost filled; an almost empty |
| Answer» D. an almost filled; an almost empty | |