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14. Semicondutor electronics — Physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 SciencePhysics14. Semicondutor electronics1 Mark
MCQ
In a $n-$ type semiconductor, which of the following statement is true.
  • A
    Holes are majority carriers and pentavalent atoms are dopants.
  • ✓
    Electrons are majority 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.
✓

Answer

Correct option: B.
Electrons are majority carriers and pentavalent atoms are dopants.
b
In $n-$type semiconductor, electrons are majority charge carriers and holes are minority charge carriers and pentavalent atoms are dopants

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