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    RMS value of voltage v(t) = 8 + 6 cos(3t) is
    Question

    RMS value of voltage v(t) = 8 + 6 cos(3t) is

    A.

    10 V

    B.

    √82 V

    C.

    (2√2 + √6) V

    D.

    6/√2 V

    Correct option is B



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