# Active and Passive Filters – 52

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52. An RC low-pass filter consists of a 120 Ω resistor and a 0.002 μF capacitor. The output is taken across the capacitor. The circuit’s critical frequency is ________.

(a) 333 kHz
(b) 633 kHz
(c) 331 kHz
(d) 60 kHz

Explanation
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