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RL Circuits - Technical MCQs

Q1:

The given circuit is a _______.

A low-pass filter

B high-pass filter

C band-pass filter

D band-stop filter

ANS:A - low-pass filter

At low frequency inductor acts as short circuit.

At higher frequency inductor acts as open circuit.

So it allows only low frquency signals and stops high frequency.

So it acts as low pass filter.