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- Question
The roll-off rate of a basic RC or RL filter is 20 dB per decade.
Options- A. True
- B. False
- Correct Answer
- True
- 1. Critical frequencies are also called ?3 dB frequencies.
Options- A. True
- B. False Discuss
- 2. In an RC high-pass filter, the output is taken across the resistor and the output leads the input.
Options- A. True
- B. False Discuss
- 3. The output voltage is 63.3% of its maximum at the critical frequencies.
Options- A. True
- B. False Discuss
- 4. The bandwidth of a resonant filter is determined by the quality factor (Q) of the circuit and the resonant frequency.
Options- A. True
- B. False Discuss
- 5. A band-pass filter rejects all frequencies within a band between a lower and an upper critical frequency and passes all others.
Options- A. True
- B. False Discuss
- 6. In an RL high-pass filter, the output is taken across the inductor and the output leads the input.
Options- A. True
- B. False Discuss
- 7. The flat portions of a pulse waveform contain low-frequency components.
Options- A. True
- B. False Discuss
- 8. In an RL integrating circuit, the output voltage is taken across the inductor.
Options- A. True
- B. False Discuss
- 9. If the capacitor in an integrator opens, the output has the same voltage as the input.
Options- A. True
- B. False Discuss
- 10. In an RC differentiating circuit, the output voltage is taken across the resistor.
Options- A. True
- B. False Discuss
Passive Filters problems
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