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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___________?

/ Electrical Engineering Mcqs, Passive Filters / By
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