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What are n-type semiconductors ?...

What are n-type semiconductors ?

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When a silicon crystal is doped with atoms of group-15 elements ,such as P , As, sb or Bi , then only four of the five valence electrons of each impurity atom .
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Knowledge Check

  • An-type semiconductor is

    A
    negatively charged
    B
    positively charged.
    C
    electrically neutral.
    D
    either negatively or positively charged.

  • N-type semiconductor is

    A
    positively charged
    B
    negatively charged
    C
    positively charged at low temperature and negative charged at high temperature
    D
    electrically neutral

  • An n-type semiconductor is

    A
    neutral
    B
    positively charged
    C
    negatively charged
    D
    none of these

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