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An n-type of silicon can be formed by adding impurity of: 1. Phosphorous 2. Arsenic 3. Boron 4. Aluminium Which of the above are correct?

An n-type of silicon can be formed by adding impurity of: 1. Phosphorous 2. Arsenic 3. Boron 4. Aluminium Which of the above are correct? Correct Answer 1 and 2

An extrinsic semiconductor where the dopant atoms provide extra conduction electrons to the host material like Phosphorus P in Silicon Si is called an n-type semiconductor.

This creates an excess of negative (n-type) electron charge carriers that are able to move freely.

Common n-type impurities are Arsenic, antimony, bismuth, and phosphorous.

This is explained as shown:

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