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JEE Main & Advanced Physics Alternating Current / प्रत्यावर्ती धारा Question Bank Alternating Current, Voltage and Power

  • question_answer
    An ac generator produced an output voltage \[E=170\sin 377\,t\,volts\], where t is in seconds. The frequency of ac voltage is                                                                        [MP PET 1994]

    A)            50 Hz                                       

    B)            110 Hz

    C)            60 Hz                                       

    D)            230 Hz

    Correct Answer: C

    Solution :

               \[2\pi \nu =377\Rightarrow \nu =60.03\ Hz\]


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