5hwp8ps62f 5hwp8ps62f

17-05-2024
Chemistry

Answered

Which of the following impurities could be used to convert intrinsic silicon to extrinsic P
type silicon?
a) Aluminium.
b) Germanium.
c) Arsenic.
d) Zinc.

Answer :

GinnyAnswer GinnyAnswer

17-05-2024

Final answer:

Aluminium impurity can convert intrinsic silicon to P-type silicon by creating holes in the valence band.

Explanation:

Aluminium impurity could be used to convert intrinsic silicon to extrinsic P-type silicon. When Aluminium, which has three valence electrons, is substituted for Silicon in the semiconductor, it acts as an acceptor impurity creating holes in the valence band, leading to the formation of P-type semiconductor.

Learn more about Semiconductor Physics here:

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