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- Question
Referring to Problem 21, the filter's bandwidth is
Options- A. 11.5 Hz
- B. 530 Hz
- C. 53 Hz
- D. 106 Hz
- Correct Answer
- 53 Hz
- 1. Referring to Problem 8, assume the input voltage is 15 V ac. What is the output voltage at the critical frequency,fc?
Options- A. 0 V
- B. 7.07 V
- C. 15 V
- D. 10.6 V Discuss
- 2. 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?
Options- A. 5.14 MHz
- B. 514 kHz
- C. 5.03 MHz
- D. 503 kHz Discuss
- 3. In a certain low-pass filter, fc = 3.5 kHz. Its passband is
Options- A. 0 Hz to 3.5 kHz
- B. 0 Hz
- C. 3.5 kHz
- D. 7 kHz Discuss
- 4. 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?
Options- A. 1.1 mV
- B. 11.1 mV
- C. 111 mV
- D. 200 mV Discuss
- 5. 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)?
Options- A. 10.9 V
- B. 1.09 V
- C. 1.1 V
- D. 12 V Discuss
- 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?
Options- A. 459 Hz
- B. 4,591 Hz
- C. 999 Hz
- D. 2,176 Hz Discuss
- 7. 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
Options- A. 93.8 kHz
- B. 93.8 Hz
- C. 861 Hz
- D. 86.12 kHz Discuss
- 8. 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
Options- A. 125 Hz
- B. 1,250 Hz
- C. 564 Hz
- D. 5,644 Hz Discuss
- 9. Referring to Problem 8, assume the input voltage is 15 V dc. What is the output voltage?
Options- A. 0 V
- B. 15 V
- C. 7.07 V
- D. 10.6 V Discuss
- 10. 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
Options- A. 6.02 dB
- B. ?6.02 dB
- C. 12.04 dB
- D. ?12.04 dB Discuss
Passive Filters problems
Search Results
Correct Answer: 10.6 V
Correct Answer: 5.14 MHz
Correct Answer: 0 Hz to 3.5 kHz
Correct Answer: 11.1 mV
Correct Answer: 10.9 V
Correct Answer: 4,591 Hz
Correct Answer: 93.8 kHz
Correct Answer: 125 Hz
Correct Answer: 15 V
Correct Answer: ?6.02 dB
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