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The inductor filter gives a smooth output because_________

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The inductor filter gives a smooth output because_________

(a) It offers infinite resistance to ac components

(b) It offers infinite resistance to dc components

(c) Pulsating dc signal is allowed

(d) The ac signal is amplified

This question was addressed to me in semester exam.

Asked question is from Inductor Filters topic in section Application of Diodes of Electronic Devices & Circuits

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Correct answer is (a) It offers infinite resistance to ac components

The best I can explain: The inductor does not allow the ac components to pass through the filter. The main purpose of using an inductor filter is to avoid the ripples. By using this property, the inductor offers an infinite resistance to ac components and gives a smooth output.

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