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  3. RAJASTHAN ­ PET

RAJASTHAN ­ PET Rajasthan PET Solved Paper-2003

  • question_answer
    In a transformer,\[{{e}_{p}}=110\text{ }V\]and\[{{e}_{s}}=440\text{ }V,\]then its round ratio will be

    A)  4 : 1             

    B)  1 : 4

    C)  1 : 3             

    D)  1 : 2

    Correct Answer: B

    Solution :

     \[\frac{{{N}_{p}}}{{{N}_{s}}}=\frac{{{e}_{p}}}{{{e}_{s}}}=\frac{1}{4}\]


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