MCQ
Silicon doped with electron-rich impurity forms ________.
  • A
    p-type semiconductor.
  • n-type semiconductor.
  • C
    Intrinsic semiconductor.
  • D
    Insulator.

Answer

Correct option: B.
n-type semiconductor.
Explanation: (B) n-type semiconductor.
When silicon is doped with electron rich impurity like P or As, the increase in conductivity is due to the negatively charged Electron. Hence, silicon doped with electron rich impurity is termed as 'n-type semiconductor'.

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