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Question
To make an n-type semiconductor, an intrinsic semiconductor is doped with _______ .
To make an n-type semiconductor, an intrinsic semiconductor is doped with _______ .
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Solution
The correct option is D arsenic
To make n-type semiconductor, the intrinsic semiconductor is doped with pentavalent impurity i.e. an atom having 5 valence electrons in its outermost shell. Out of the options, only arsenic has 5 valence electrons i.e, it is a pentavalent impurity.
To make n-type semiconductor, the intrinsic semiconductor is doped with pentavalent impurity i.e. an atom having 5 valence electrons in its outermost shell. Out of the options, only arsenic has 5 valence electrons i.e, it is a pentavalent impurity.
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