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14. Semicondutor electronics — Physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 SciencePhysics14. Semicondutor electronics1 Mark
MCQ
Which statement is correct
  • A
    $N-$type germanium is negatively charged and $P-$type germanium is positively charged
  • ✓
    Both $N-$type and $P-$type germanium are neutral
  • C
    $N-$type germanium is positively charged and $P-$type germanium is negatively charged
  • D
    Both $N-$type and $P-$type germanium are negatively charged
✓

Answer

Correct option: B.
Both $N-$type and $P-$type germanium are neutral
b
(b) P and N-type semiconductors are neutral because neutral atoms are added during doping.

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