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To get a n-type semiconductor from silicon, it should be doped with a substance with valence__________.

(i) 2

(ii) 1

(iii) 3

(iv) 5

Answers (1)

The answer is the option (iv) 5.

To get n-type semiconductor impurity of higher group is doped. Thus, to get a n-type semiconductor, silicon (valency = 4) should be doped with the element with valency equal to 5.

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