J & K CET Engineering J and K - CET Engineering Solved Paper-2007

  • question_answer
    The potential in depletion layer is due to

    A)  electrons

    B)  holes

    C)  ions

    D)  forbidden band

    Correct Answer: C

    Solution :

    The potential in depletion layer is due to ions. It appears as if some fictitious battery is connected across the junction with its negative pole connected to p-region and positive pole connected to n-region. The potential difference developed across the junction due to migration of majority charge carries is potential barrier.


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