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- Question
When the current is 2.5 A, how many coulombs pass a point in 0.2 s?
Options- A. 12.5 C
- B. 1.25 C
- C. 0.5 C
- D. 5 C
- Correct Answer
- 0.5 C
- 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
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