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Home ‣ Electrical Engineering ‣ Circuit Theorems and Conversions Comments
  • Question

  • Conversions between delta-type and wye-type circuit arrangements are useful in certain specialized applications.


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  • A. True
  • B. False

  • Correct Answer
  • True 

    • Circuit Theorems and Conversions problems

    Search Results

    • 1. Norton's equivalent current (IN) is an open-circuit current between two points in a circuit.

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    • A. True
    • B. False
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    • 2. Transistors act basically as voltage sources.

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    • A. True
    • B. False
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    • 3. You cannot convert a voltage source to an equivalent current source, or vice versa.

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    • A. True
    • B. False
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    • 4. Some circuits require more than one voltage or current source.

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    • A. True
    • B. False
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    • 5. A practical voltage source has a nonzero internal resistance.

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    • A. True
    • B. False
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    • 6. An ideal current source has zero internal resistance.

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    • A. True
    • B. False
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    • 7. An ideal voltage source has zero internal resistance.

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    • A. True
    • B. False
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    • 8. A practical current source has a finite internal resistance.

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    • A. True
    • B. False
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    • 9. The Thevenin equivalent voltage (VTH) is the short-circuit voltage between two terminals in a circuit.

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    • A. True
    • B. False
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    • 10. A relay is an electromagnetically controlled mechanical device in which electrical contacts are opened or closed by a magnetizing current.

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    • A. True
    • B. False
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