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

Related Mcqs:

1. In a certain parallel resonant band-pass filter, the resonant frequency is 14 kHz. If the bandwidth is 4 kHz, the lower frequency_____________?

   A. is 7 kHz
   B. is 10 kHz
   C. is 12 kHz
   D. cannot be determined

2. In a certain low-pass filter, fc = 3.5 kHz. Its passband is____________?

   A. 3.5 kHz
   B. 0 Hz
   C. 0 Hz to 3.5 kHz
   D. 7 kHz

3. 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

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. A parallel resonant band-pass filter consists of a 6.8 Ω resistor in series with a parallel network made up of an 8 µH coil and a 120 pF capacitor. The output is taken across the capacitor/coil. Assume RW = 0 Ω. What is the center frequency of the filter?

   A. 5.14 MHz
   B. 514 kHz
   C. 5.03 MHz
   D. 503 kHz

6. 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

7. 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

8. 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

9. 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

10. In a series resonant band-pass filter, a lower value of Q results in______________?

    A. a higher impedance
    B. a smaller bandwidth
    C. a higher resonant frequency
    D. a larger bandwidth