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Which of the following, when added as an impurity, into the silicon, produces n-type semi conductor?(a) Phosphorous(b) Aluminium(c) Magnesium(d) Both b and c

Amit Saxena , 11 Years ago
Grade upto college level
anser 1 Answers
Aditi Chauhan

Last Activity: 11 Years ago

(a)

Phosphorous (P) is pentavalent and silicon is tetravalent. Therefore, when silicon is doped with pentavalent impurity, it forms a n-type semiconductor.

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