BHU PMT BHU PMT (Mains) Solved Paper-2006

  • question_answer
    p-n junction conducts when A and B are connected to the:

    A)  positive and negative terminals of battery

    B)  negative and positive terminals of the battery

    C)  negative and positive terminals but the potential difference is large

    D)  none of the above

    Correct Answer: A

    Solution :

                     p-n junction conducts when it is forward biased. In forward biasing of p-n junction p side should be connected to positive terminal of the battery and n-side to negative terminal of the battery. Hence, A and B are connected to positive and negative terminals of the battery.


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