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- Question
Determine VTH if R1 is changed to 3.3 kΩ.
Options- A. 0.574∠16.7° V
- B. 4.63∠16.7° V
- C. 4.63∠39.5° V
- D. 0.463∠39.5° V
- Correct Answer
- 4.63∠39.5° V
- 1. A series circuit acts as a current divider.
Options- A. True
- B. False Discuss
- 2. A transformer responds only to dc.
Options- A. True
- B. False Discuss
- 3. A half-watt is equal to how many milliwatts?
Options- A. 5,000 mW
- B. 5 mW
- C. 500 mW
- D. 50 mW Discuss
- 4. 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
- 5. A transformer consists of two or more cores that are electrically coupled on a common core.
Options- A. True
- B. False Discuss
- 6. 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
- 7. A practical current source has a finite internal resistance.
Options- A. True
- B. False Discuss
- 8. 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
- 9. 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
- 10. In a parallel circuit, the branch with the lowest resistance has the most current.
Options- A. True
- B. False Discuss
More questions
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
Correct Answer: 200 mA
Correct Answer: True
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