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The valance of the impurity atom that is...

The valance of the impurity atom that is to be added to germanium crystal so as to make it a `N`-type semiconductor, is

A

6

B

5

C

4

D

3

Text Solution

Verified by Experts

The correct Answer is:
B
In N − type semiconductor impurity that has to be added is pentavalent (i.e. valency = 5).
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