Discussion
Home ‣ Electrical Engineering ‣ RLC Circuits and Resonance See What Others Are Saying!
- Question
A certain series RLC circuit with a 200 Hz, 15 V ac source has the following values: R = 12 Ω, C = 80 µF, and L = 10 mH. The total impedance, expressed in polar form, is
Options- A. 12.28∠12.34° Ω
- B. 12.57∠12.34° Ω
- C. 9.95∠12.34° Ω
- D. 12.62∠12.34° Ω
- Correct Answer
- 12.28∠12.34° Ω
- 1. A filter passes all frequencies.
Options- A. True
- B. False Discuss
- 2. A series circuit acts as a current divider.
Options- A. True
- B. False Discuss
- 3. A transformer responds only to dc.
Options- A. True
- B. False Discuss
- 4. A half-watt is equal to how many milliwatts?
Options- A. 5,000 mW
- B. 5 mW
- C. 500 mW
- D. 50 mW Discuss
- 5. 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
- 6. A transformer consists of two or more cores that are electrically coupled on a common core.
Options- A. True
- B. False Discuss
- 7. 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
- 8. A practical current source has a finite internal resistance.
Options- A. True
- B. False Discuss
- 9. When converting 7,000 nA to microamperes, the result is
Options- A. 0.007 µA
- B. 0.7 µA
- C. 700 µA
- D. 7 µA Discuss
- 10. A series circuit has a 24 V source and a total resistance of 120 Ω. The current through each resistor is
Options- A. 24 mA
- B. 200 mA
- C. 120 mA
- D. 20 mA Discuss
More questions
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 µA
Correct Answer: 200 mA
Comments
There are no comments.More in Electrical Engineering:
Programming
Copyright İCuriousTab. All rights reserved.