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  1. A periodic voltage has following values for equal time intervals changing suddenly from one value to next : 0, 5, 10, 20, 50, 60, 50, 20, 10, 5, 0, - 5, - 10 etc.
    RMS value of the waveform is :

    2. A.
    31 v
    B.
    32 v
    C.
    insufficient data
    D.
    none of these

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    Answer : Option A

    Explanation :

    Mean value of V2 =

    = 965 V

    ∴ rms value = ≈ 31 V.

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