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Electronics — JEE physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceJEE physicsElectronics1 Mark
MCQ
$N$-type semiconductors will be obtained, when germanium is doped with
  • A
    Phosphorus
  • B
    Aluminium
  • C
    Arsenic
  • ✓
    Both (a) or (c)
✓

Answer

Correct option: D.
Both (a) or (c)
Phosphorus and Arsenic both are pentavalent.

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