Question
Question: Which impurity is doped in Si to form N-type semi-conductor?...
Which impurity is doped in Si to form N-type semi-conductor?
A
Al
B
B
C
As
D
None of these
Answer
As
Explanation
Solution
Because As is pentavalent impurity.
Which impurity is doped in Si to form N-type semi-conductor?
Al
B
As
None of these
As
Because As is pentavalent impurity.