Manipal Engineering Manipal Engineering Solved Paper-2010

  • question_answer
    If we mix a pentavalent impurity in a crystal lattice of germanium, what type of semiconductor formation will occur?

    A) \[p-\]type

    B) \[n-\]type

    C) Both (a) and (b)

    D) None of the two

    Correct Answer: B

    Solution :

    On adding a pentavalent impurity with germanium, we get \[n-\]type of semiconductors because excess of electrons is responsible for conduction.


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