AMU Medical AMU Solved Paper-2011

  • question_answer
    Two identical p-n junctions are connected in series with a battery in three ways, as shown below The potential drops across the two \[p-n\] junctions are equal in

    A)  Circuit 1 and Circuit 2    

    B)  Circuit 2 and Circuit 3

    C)  Circuit 3 and Circuit 1

    D)  Circuit 2 only

    Correct Answer: C

    Solution :

                     The potential drops across the two p-n junction are equal in circuit 3 and circuit 1, because in circuit 2, N is connected with N which is not the condition of series combination of transistor.


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