JEE Main & Advanced Sample Paper JEE Main - Mock Test - 36

  • question_answer
    In semiconductors, the mobility of electrons and holes are \[{{\mu }_{e}}\] and \[{{\mu }_{h}}\] respectively. Which of the following is true?

    A) \[{{\mu }_{h}}>{{\mu }_{e}}\]           

    B)        \[{{\mu }_{e}}>{{\mu }_{h}}\]

    C) \[{{\mu }_{e}}={{\mu }_{h}}\]          

    D)        None of these

    Correct Answer: B

    Solution :

    [b] Effective mass of holes are greater than the mass of electron so mobility of electron is more as compared to holes. \[{{\mu }_{e}}>{{\mu }_{h}}\]


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