Doping of silicon (Si) with Arsenic (As) leads to

n-type semiconductor

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p-type semiconductor

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Metal

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Insulator

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Solution

The correct option is A n-type semiconductor
Arsenic has 5 valence electrons; 4 of them take part in covalent bond formation and the remaining one gets delocalized. This gives rise to an electron-rich impurity or n-type semiconductor.

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Silicon doped with Arsenic is an example of:

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