RAJASTHAN ­ PET Rajasthan PET Solved Paper-2004

  • question_answer
    The ratio of secondary of primary turns of step up transformer is 4: 1. If a current of 4 A is applied to the primary, the induced current in secondary will be

    A)  8 A                

    B)  2 A

    C)  1 A                

    D)  0.5 A

    Correct Answer: C

    Solution :

     \[\frac{{{I}_{S}}}{{{I}_{P}}}=\frac{{{N}_{P}}}{{{N}_{S}}}=\frac{1}{4}\] \[{{I}_{S}}=\frac{1}{4}\times 4=1\,A\]


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