SATHEE: Electronic Devices Question 27

Electronic Devices Question 27

Question: A P-type semiconductor can be obtained by adding

[NCERT 1979; BIT 1988; MP PMT 1987; 90]

Options:

A) Phosphorus to pure silicon

B) Gallium to pure silicon dioxide

C) Antimony to pure germanium

D) Phosphorus to pure germanium

Show Answer

Answer:

Correct Answer: B

Solution:

Ga has a valency of 3.

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Electronic Devices Question 27

Question: A P-type semiconductor can be obtained by adding

Options:

Answer:

Solution:

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