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Semiconductors

Which of the ...

Question

Which of the following is true about the charge acquired by P-type semiconductors ?

(a) Positive (b) Neutral

(c) Negative (d) Depends on concentration of p impurity

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Solution

(b). When group 13 elements are doped in group 14 semiconductors, it creates a hole in a molecule but the molecule as a whole remain neutral. Thus. P-type semiconductor is neutral in nature.

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