The maximum output voltage of a certain low-pass filter is 15 V. The output voltage at the critical frequency is_____________?

Related Mcqs:

1. A series resonant band-pass filter consists of a 2 mH coil, a 0.005 µF capacitor, and a 120 Ω resistor. The winding resistance of the coil is 12 Ω. The output voltage is taken off the resistor. Input voltage is 12 Vrms. What is the output voltage magnitude at the center frequency (f0)?

   A. 10.9 V
   B. 1.09 V
   C. 1.1 V
   D. 12 V

2. An RL low-pass filter consists of a 5.6 mH coil and a 3.3 kΩ resistor. The output voltage is taken across the resistor. The circuit’s critical frequency is______________?

   A. 93.8 kHz
   B. 93.8 Hz
   C. 861 Hz
   D. 86.12 kHz

3. A sinusoidal voltage with a peak-to-peak value of 18 V is applied to an RC low-pass filter. If the reactance at the input frequency is zero, the output voltage is____________?

   A. 18 V peak-to-peak
   B. zero
   C. 9 V peak-to-peak
   D. 12.74 V peak-to-peak

4. 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. 0 V
   B. 5.97 V
   C. 6 V
   D. 597 mV

5. 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. 0 V
   B. 5.97 V
   C. 6 V
   D. 597 mV

6. At a certain frequency, the output voltage of a filter is 6 V and the input is 12 V. The voltage ratio in decibels is_____________?

   A. 6.02 dB
   B. -6.02 dB
   C. 12.04 dB
   D. -12.04 dB

7. At a certain frequency, the output voltage of a filter is 6 V and the input is 12 V.the filter’s bandwidth is____________?

   A. 530 Hz
   B. 106 Hz
   C. 11.5 Hz
   D. 53 Hz

8. 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

9. An RC high-pass filter consists of a 0.2 µF capacitor and a 220 Ω resistor. The output is taken across the resistor. The circuit’s critical frequency is_____________?

   A. 723 Hz
   B. 7,234 Hz
   C. 362 Hz
   D. 3,617 Hz

10. A series resonant band-stop filter consists of a 68 Ω resistor, a 110 mH coil, and a 0.02 µF capacitor. The internal resistance, RW, of the coil is 4 Ω. Input voltage is 200 mV. Output voltage is taken across the coil and capacitor in series. What is the output voltage magnitude at f0?

    A. 1.1 mV
    B. 11.1 mV
    C. 111 mV
    D. 200 mV