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____________?

Related Mcqs:

1. The same signal in Problem 2 is applied to an RC high-pass filter. If the reactance is zero at the input frequency, the output voltage is____________?

   A. 12.73 V peak-to-peak
   B. 18 V peak-to-peak
   C. 9 V peak-to-peak
   D. zero

2. 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

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

   A. 10.60 V
   B. 0 V
   C. 21.21 V
   D. 15 V

4. 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

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. 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

7. 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

8. 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

9. 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

10. 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