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Home ‣ Electrical Engineering ‣ Circuit Theorems and Conversions Comments
- Question
The Thevenin equivalent voltage (VTH) is the short-circuit voltage between two terminals in a circuit.
Options- A. True
- B. False
- Correct Answer
- False
- 1. A practical current source has a finite internal resistance.
Options- A. True
- B. False Discuss
- 2. An ideal voltage source has zero internal resistance.
Options- A. True
- B. False Discuss
- 3. An ideal current source has zero internal resistance.
Options- A. True
- B. False Discuss
- 4. Conversions between delta-type and wye-type circuit arrangements are useful in certain specialized applications.
Options- A. True
- B. False Discuss
- 5. Norton's equivalent current (IN) is an open-circuit current between two points in a circuit.
Options- A. True
- B. False Discuss
- 6. A relay is an electromagnetically controlled mechanical device in which electrical contacts are opened or closed by a magnetizing current.
Options- A. True
- B. False Discuss
- 7. If a conductor is moved back and forth at a constant rate in a constant magnetic field, the voltage in the conductor will reverse polarity.
Options- A. True
- B. False Discuss
- 8. Ampere-turn is the unit of magnetomotive force (mmf).
Options- A. True
- B. False Discuss
- 9. The tesla is the unit of magnetic flux.
Options- A. True
- B. False Discuss
- 10. Materials with a low retentivity do not retain a magnetic field very well.
Options- A. True
- B. False Discuss
Circuit Theorems and Conversions problems
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