A 10Ω resistor, a 90 mH coil, and a 0.015 μF capacitor are in series across an ac source. The impedance magnitude at 1,200 Hz below fr is

A 10 resistor, a 90 mH coil, and a 0.015 F capacitor are in series across an ac source. The impedance magnitude at 1,200 Hz below f_r is

Answer: Option A

Explanation:

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