Q92
An n-type of silicon can be formed by adding impurity of: 1. Phosphorous 2. Arsenic 3. Boron 4. Aluminium Which of the above are correct?
A.
1 and 2
AnswerB.
2 and 3
C.
3 and 4
D.
1 and 4
Answer: Option A
Solution
Answer: Option A
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