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12th Class Physics Alternating Current / प्रत्यावर्ती धारा Question Bank MCQ - Alternating Currents

  • question_answer
    In the question number 121, the number of turns in the secondary is:

    A) 20                    

    B) 80     

    C) 120                              

    D) 160 

    Correct Answer: C

    Solution :

    (c) 120    As, \[\frac{{{V}_{S}}}{{{V}_{P}}}=\frac{{{N}_{S}}}{{{N}_{P}}}\Rightarrow {{N}_{S}}=\frac{{{V}_{S}}}{{{V}_{P}}}\times {{N}_{P}}\] \[=\frac{220}{11000}\times 6000=120\]


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