SATHEE: Electronic Devices Question 86

Electronic Devices Question 86

Question: Which impurity is doped in Si to form N-type semi-conductor?

[CBSE PMT 1996; AIEEE 2002]

Options:

A) Al

B) B

C) As

D) None of these

Show Answer

Answer:

Correct Answer: C

Solution:

Because As is pentavalent impurity.

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Electronic Devices Question 86

Question: Which impurity is doped in Si to form N-type semi-conductor?

Options:

Answer:

Solution:

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