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  1. It has been found that in a rectifier circuit with RC filter one RC section reduces ripple by 15%. Two RC sections are used in cascade the reduction in ripple would be

    2. A.
    15%
    B.
    30%
    C.
    150%
    D.
    225%

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    Answer : Option D

    Explanation :

    One filter reduces ripple to 0.15 of initial value. The second filter reduces ripple to 0.15 x 0.15 of initial value.

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