Ncert Exercises & Solutions

Chargewise p-type semiconductor is -

1. Positive.

2. Neutral.

3. Negative.

4. Depends on the concentration of p impurity.

HINT: Semiconductor is electrically neutral .

Explanation:

When group 13 elements are doped in group 14 element, it creates a hole in a molecule but the molecule as a whole remains neutral. Thus, the p-type semiconductor is neutral in nature.

Thus, option 2 is the correct answer.

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