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  • Question

  • All the schematic symbols shown in the given figure are variable inductors. True False

    All the schematic symbols shown in the given figure are variable inductors.


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  • A. True
  • B. False

  • Correct Answer
  • False 

    • Inductors problems

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    • 1. An ideal inductor would not dissipate any energy.

    • Options
    • A. True
    • B. False
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    • 2. A magnet consisting of a coil of wire wound around a soft iron or steel core is called an electromagnet.

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    • A. True
    • B. False
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    • 3. Increasing the inductance value in an ac inductive circuit will lower the circuit current.

    • Options
    • A. True
    • B. False
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    • 4. A magnetic field results whenever a current flows through a conductor.

    • Options
    • A. True
    • B. False
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    • 5. An ac generator will produce a constant waveform.

    • Options
    • A. True
    • B. False
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    • 6. A step-up transformer will have a turns ratio greater than 1.

    • Options
    • A. True
    • B. False
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    • 7. The quality factor of an inductor is the ratio of inductive reactance to the winding resistance of the coil.

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    • A. True
    • B. False
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    • 8. An inductor will boost current flow.

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    • A. True
    • B. False
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    • 9. The amount of dc current that an inductor will allow to pass depends on the circuit's total resistance that is in series with it.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. A transformer can be designed to step up or step down dc voltage.

    • Options
    • A. True
    • B. False
      • Discuss

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