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Question
To get a n-type semiconductor from silicon, it should be doped with a substance with valence ______.
Options
2
1
3
5
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Solution
To get a n-type semiconductor from silicon, it should be doped with a substance with valence 5.
Explanation:
Impurity of higher group is doped to get n-type semiconductor. Thus, silicon (valency = 4) should be doped with the element with valency equal to 5.
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