Railways NTPC (Technical Ability) Electric Circuits and Field Question Bank Electric Circuits and Field

  • question_answer
    The RMS value of the voltage u(t} = 3 + 4cos (3t is

    A)  \[\sqrt{17}V\]               

    B)  \[5V\]

    C)  \[7V\]                          

    D)  \[(3+2\sqrt{2})\,\,V\]

    Correct Answer: A


You need to login to perform this action.
You will be redirected in 3 sec spinner