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What is the ripple voltage?

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Its 220 voltage dc supply
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We want explanation also plz...

ripple voltage in electronics is the residual periodic variation of the DC volage within a power supply which has been derived from an alternating current (AC) source. This ripple is due to incomplete suppression of the alternating waveform after rectification.

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Ripple voltage is the small variations in Dc voltage that remain after filtering in a power supply.


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