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Manipal Engineering Manipal Engineering Solved Paper-2011

  • question_answer
    In a step-up transformer the turn ratio is 1 : 2. A Leclanche cell (emf 1.5 V) is connected across the primary. The voltage across the secondary is

    A)  3.0 V                                    

    B)  0.75 V

    C)  zero                     

    D)         1.5 V

    Correct Answer: C

    Solution :

    Transformer works only in alternating current. Primary coil is connected to Lechlanche cell\[i.e.\], connected by DC source, so voltage across secondary will be zero.


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