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14. Semicondutor electronics — Physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 SciencePhysics14. Semicondutor electronics1 Mark
MCQ
When $N-$ type of semiconductor is heated
  • A
    Number of electrons increases while that of holes decreases
  • B
    Number of holes increases while that of electrons decreases
  • C
    Number of electrons and holes remains same
  • ✓
    Number of electrons and holes increases equally
✓

Answer

Correct option: D.
Number of electrons and holes increases equally
d
(d)When a free electron is produced, simultaneously a hole is also produced.

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