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| Q. |
Which of the following is not a donor atom? |
| A. | Phosphorus |
| B. | Antimony |
| C. | Arsenic |
| D. | Aluminium |
| Answer» D. Aluminium | |
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Explanation: Aluminium is an acceptor atom, an impurity atom in a semiconductor, which can accept or take up one or more electrons from the crystal and become negatively charged. In semiconductor physics. It is a dopant atom that when added to a semiconductor can form a p- type region. |
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