1.

An n-type and p-type silicon can be obtained by doping pure silicon with.A. GermaniumB. BoronC. ArsenicD. Antimony

Answer» Correct Answer - B
Since boron has 3 electrons in its valence shell, it offers 3 of the four electrons that a silicon atom needs. As a result, each silicon center is left with a hole. Semiconductors made in his manner are called p -type.


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