Question

In a n-type semiconductor
A. electrons are majority charge carriers and dopants are trivalent atom.
B. electrons are minority carriers and dopants are pentavalent atoms
C. holes are the minority carrier and dopants are pentavalent atoms
D. holes are the majority charge carriers and dopants are trivalent atoms

Answer 1

Explanation:

C) holes are the minority carriers and dopant are pentavalent atoms

Answer 2

In a n-type semiconductor  holes are the minority carrier and dopants are pentavalent atoms.

Explanation:

• The n-type semiconductor can be produced  by doping impurity atoms of valence 5.
• That is, pentavalent atoms like phosphorous and so electrons are majority charge carriers and holes are minority charge carriers.
• In an n - type semiconductor, the electrons are the majority carriers whereas, the holes are the minority carriers.
• A n - type semiconductor is created by doping this pure silicon crystal lattice with a pentavalent impurity element like Antimony (Sb).
• In an n - type semiconductor the atom of pentavalent impurity element Antimony (Sb) is in between silicon atoms.
• The Silicon atoms have four electrons in the valence shell.

To Learn More...

1.In a n-type semiconductor, which of the following statement is true?(a) Electrons are minority carriers and pentavalent atoms are dopants.(b) Holes are minority carriers and pentavalent atoms are dopants.(c) Holes are majority carriers and trivalent atoms are dopants.(d) Electrons are majority carriers and trivalent atoms are dopants.

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