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  4. To obtain electrons as majority charge carries in a semiconductor, the impurity mixed is

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Q. To obtain electrons as majority charge carries in a semiconductor, the impurity mixed is

Chhattisgarh PMTChhattisgarh PMT 2004

Solution:

In a $n$-type semiconductor, electrons behave as majority charge carriers whereas holes reacts as minority charge carriers.
It is doped with pentavalent impurity such as $ Sb, $ $ As, $ $ P, $ $ Bi $ .