Discussion
Assertion (A): Assertion: An inductor input filter gives a higher direct output than a capacitor input filter.
Reason (R): Reason: An inductor smooths the current the rectifier delivers.
Select the correct answer from the options below.
Answer: C
The reason is true but the assertion is false: an inductor input filter delivers roughly the average of the rectified wave rather than its peak, so its output is lower. What it buys is a smoother current and hence far smaller peak diode currents, which is why it suits heavy loads. Trading output voltage for current waveform quality is the exchange these two filters offer, and only the load decides which is worth having. The shared properties explain why these schemes form a family, and the differences explain why more than one exists.
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