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Electronics and Communication Engineering - Materials and Components - Discussion

Discussion Forum : Materials and Components - Section 1 (Q.No. 50)
Materials and Components
50.
Which of the following are donor impurities?
  1. Gold
  2. Phosphorus
  3. Boron
  4. Antimony
  5. Arsenic
  6. Induim
Select the correct answer using the following codes
1, 2, 3
1, 2, 4, 6
3, 4, 5, 6
2, 4, 5
Answer: Option
Explanation:

Donor impurities have five valence electrons.

Discussion:
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