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  • Question

  • A transformer can be designed to step up or step down dc voltage.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • Inductors problems

    Search Results

    • 1. 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
    • 2. An inductor will boost current flow.

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

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

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. 

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


    • Options
    • A. True
    • B. False
      • Discuss
    • 6. The current through an inductor in a parallel RL circuit leads the current through the resistor.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. The primary winding of a transformer is the side connected to the load.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. 

      The total inductance in the given circuit is 0.6 mH.


    • Options
    • A. True
    • B. False
      • Discuss
    • 9. An air-core inductor has a metal core.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. The ___ of a coil is the inherent resistance of the wire.

    • Options
    • A. ac resistance
    • B. reactance
    • C. winding resistance
    • D. permeability
      • Discuss

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