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- Question
A band-stop filter passes frequencies between its lower and upper critical frequencies and rejects all others.
Options- A. True
- B. False
- Correct Answer
- False
- 1. In an RL low-pass filter, the output voltage is taken across the inductor and the output lags the input.
Options- A. True
- B. False Discuss
- 2. In an RC low-pass filter, the output voltage is taken across the resistor and the output lags the input voltage.
Options- A. True
- B. False Discuss
- 3. In an RL circuit, part of the power is resistive and part is reactive.
Options- A. True
- B. False Discuss
- 4. The impedance of an RL circuit varies inversely with frequency.
Options- A. True
- B. False Discuss
- 5. The power factor indicates how much of the apparent power is reactive power.
Options- A. True
- B. False Discuss
- 6. 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
- 7. 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
- 8. The output voltage is 63.3% of its maximum at the critical frequencies.
Options- A. True
- B. False Discuss
- 9. 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
- 10. Critical frequencies are also called ?3 dB frequencies.
Options- A. True
- B. False Discuss
Passive Filters problems
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