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

  • question_answer
    An electric lamp is connected to 220 V, 50 Hz supply. Then the peak value of voltage is [AFMC 1996]

    A)            210 V                                       

    B)            211 V

    C)            311 V                                       

    D)            320 V

    Correct Answer: C

    Solution :

               \[{{V}_{0}}={{V}_{rms}}\times \sqrt{2}=220\times \sqrt{2}=310\]


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