An n-type of silicon can be formed by adding impurity of:1. Phosphorou – McqOptions

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1.	An n-type of silicon can be formed by adding impurity of:1. Phosphorous2. Arsenic3. Boron4. AluminiumWhich of the above are correct?
A.	1 and 2
B.	2 and 3
C.	3 and 4
D.	1 and 4
Answer» B. 2 and 3

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