Circuit Theorems and Conversions MCQ

Circuit Theorems and Conversions MCQ Questions

• 1. Conversions between delta-type and wye-type circuit arrangements are useful in certain specialized applications.
• 2. What is the values for an equivalent current source. When A certain voltage source has the values VS = 30 V and RS = 6 ?
• 3. An ideal current source has zero internal resistance.
• 4. A certain current source has the values IS = 4 µA and RS = 1.2 M. The values for an equivalent voltage source are ____.
• 5. A transistor is basically ____.
• 6. A 120 V voltage source has a source resistance RS, of 60 Ω . The equivalent current source is ___.
• 7. A 120 Ω load is connected across an ideal voltage source with VS = 12 V. The voltage across the load is ____.
• 8. You cannot convert a voltage source to an equivalent current source, or vice versa.
• 9. Some circuits require more than one voltage or current source.
• 10. An ideal current source has ___ in parallel with the source.
• 11. What is Norton's equivalent current?
• 12. A practical current source has a finite internal resistance.
• 13. A practical voltage source has a nonzero internal resistance.
• 14. The Thevenin-equivalent voltage is the voltage at the output terminals of the original circuit.
• 15. A certain voltage source has the values VS = 30 V and RS = 6 Ω. The values for an equivalent current source are ___.
• 16. A 2 Ω RL is connected across a voltage source, VS, of 110 V. The source's internal resistance is 24 Ω. What is the output voltage across the load?
• 17. The current source is converted into the equivalent voltage source:
• 18. Superposition works for voltage and current but not power.
• 19. The superposition theorem is applicable to:
• 20. A voltage source having an open-circuit voltage of 100 V and internal resistance of 50 ω is equivalent to a current source: