If an alternating voltage is represented as $E = 141\,sin\, (628\,t),$ then the rms value of the voltage and the frequency are respectively

  • A

    $141V,\,628Hz$

  • B

    $100V,\,50Hz$

  • C

    $100V,\,100Hz$

  • D

    $141V,\,\,100Hz$

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