Discussion
Home ‣ Electrical Engineering ‣ RLC Circuits and Resonance See What Others Are Saying!
- Question
A certain series resonant circuit has a bandwidth of 2 kHz. If the existing coil is replaced with one having a higher value of Q, the bandwidth will
Options- A. increase
- B. remain the same
- C. decrease
- D. be less selective
- Correct Answer
- decrease
- 1. Energy is stored by a capacitor in a magnetic field.
Options- A. True
- B. False Discuss
- 2. A filter passes all frequencies.
Options- A. True
- B. False Discuss
- 3. A series circuit acts as a current divider.
Options- A. True
- B. False Discuss
- 4. A transformer responds only to dc.
Options- A. True
- B. False Discuss
- 5. A half-watt is equal to how many milliwatts?
Options- A. 5,000 mW
- B. 5 mW
- C. 500 mW
- D. 50 mW Discuss
- 6. To step 120 V ac up to 900 V ac, the turns ratio must be
Options- A. 75
- B. 750
- C. 7.5
- D. 0.13 Discuss
- 7. A transformer consists of two or more cores that are electrically coupled on a common core.
Options- A. True
- B. False Discuss
- 8. The sum of the currents into a junction is equal to the sum of the currents out of that junction.
Options- A. True
- B. False Discuss
- 9. A practical current source has a finite internal resistance.
Options- A. True
- B. False Discuss
- 10. When converting 7,000 nA to microamperes, the result is
Options- A. 0.007 ľA
- B. 0.7 ľA
- C. 700 ľA
- D. 7 ľA Discuss
More questions
Correct Answer: False
Correct Answer: False
Correct Answer: False
Correct Answer: False
Correct Answer: 500 mW
Correct Answer: 7.5
Correct Answer: False
Correct Answer: True
Correct Answer: True
Correct Answer: 7 ľA
Comments
There are no comments.More in Electrical Engineering:
Programming
Copyright ŠCuriousTab. All rights reserved.