Question

What is the difference in the semiconductors obtained by dopinf silicon with Arsenic or with Galium?​

Answer 1

Answer:

Intrinsic semiconductors are pure semiconductors i.e. formed from a single element like pure germanium, tin etc. whereas extrinsic semiconductors are impure i.e. formed by doping of electrons. In the question it is given to us that silicon is doped with arsenic, which means it is an impure i.e. extrinsic semiconductor.

Explanation:

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Answer 2

Answer:

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Explanation:

Arsenic has five valence electrons, whereas silicon has only four. ... An impurity with an extra electron is known as a donor impurity, and the doped semiconductor is called an n-type semiconductor because the primary carriers of charge (electrons) are negative.

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