<p>A rectifier circuit with a capacitor filter is shown.</p>

<p><img alt="" src="https://school.achievam.com/upload/questionbank/question/que_1758514519.jpg" style="height:160px; width:296px" /></p>

<p>(a) Draw the input and output waveforms.<br />
(b) Explain the role of the capacitor in reducing ripples.<br />
(c) Why is the performance of the filter better with a full-wave rectifier than with a half-wave rectifier?</p>