# Active and Passive Filters – 57

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57. An RL high-pass filter consists of a 470 Ω resistor and a 600 mH coil. The output is taken across the coil. The circuit’s critical frequency is ________.

(a) 125 Hz
(b) 1,250 Hz
(c) 564 Hz
(d) 5,644 Hz

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