# Active and Passive Filters – 47

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47. An RL low-pass filter consists of a 5.6 mH coil and a 3.3 kΩ resistor. The output voltage is taken across the resistor. The circuit’s critical frequency is ________.

(a) 93.8 kHz
(b) 93.8 Hz
(c) 861 Hz
(d) 86.12 kHz

Explanation
Explanation : No answer description available for this question. Let us discuss.
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