In a certain low-pass filter, fc = 3.5 kHz.if the input voltage is a 6 V sine wave with a dc level of 10 V, what is the output voltage magnitude?

A parallel resonant band-pass filter consists of a 90 Ω resistor in series with a parallel network made up of a 60 mH coil and a 0.02 µF capacitor. The output is taken across the capacitor/coil. The coil winding has a resistance of 20 Ω. What is the center frequency of the filter?

A. 459 Hz

B. 4,591 Hz

C. 999 Hz

D. 2,176 Hz

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

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

In a certain low-pass filter, fc = 3.5 kHz. Its pass-band is_______________?

A. 0 Hz to 3.5 kHz

B. 0 Hz

C. 3.5 kHz

D. 7 kHz

An RC high-pass filter consists of an 820 Ω resistor. What is the value of C so that Xc is ten times less than Rat an input frequency of 12 kHz?

A. 81 µF

B. 161 µF

C. 0.161 µF

D. 220 µF