Electrical Inductors MCQ Test

  1. Inductance is the property of an inductor that produces an opposition to any change in current.
  2. The inductance of an iron-core coil decreases if ___.
  3. A 5 mH, a 4.3 mH, and a 0.6 mH inductor are connected in parallel. The total inductance is ___.
  4. Electricity may be generated by a wire:
  5. The electrical energy consumed by a coil is stored in the form of a magnetic field.
  6. When the current through an inductor is cut in half, the amount of energy stored in the electromagnetic field ___.
  7. The term ‘self-inductance’ is used when a conductor has a voltage induced in it by:
  8. What is magnetic flux?
  9. Which type of device consists of a coil with a moveable iron core?
  10. Opposition to current flow without the dissipation of energy is called ___.
  11. What is the name of the part inside a relay that is moved by the action of the electromagnet?
  12. A crack in the magnetic path of an inductor will result in ___.
  13. The coefficient of coupling between two air core coils depends on _____.
  14. What is the voltage across a coil when di/dt = 20 mA/µs and L = 8 µH?
Electrical Inductors MCQ

Take Electrical Inductors MCQ Test & Online Quiz to test your Knowledge

Below is the Electrical Inductors MCQ test that checks your basic knowledge of Electrical Inductors. This Electrical Inductors MCQ Test contains 20 Multiple Choice Questions. You have to select the right answer to the question. Finally, you can also take the Online Quiz from the Take Electrical Inductors Quiz Button.

  • True
  • False
  • The number of turns is decreased
  • The iron core is removed
  • The length of the coil decreases
  • None of the above
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  • 9.9 mH
  • Greater than 5 mH
  • 9.9 mH or greater than 5 mH
  • Less than 0.6 mH
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  • carrying current
  • passing through a flux field
  • that has neutral domains
  • wrapped as a coil
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  • its own magnetic field
  • nearby electromotive force
  • its own electromotive force
  • a nearby magnetic field
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  • The number of lines of force in webers
  • The number of lines of force in maxwells
  • The number of lines of force in teslas
  • The number of lines of force in flux density
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  • resistance
  • inductive reactance
  • counter emf
  • impedance
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  • unchanged inductance
  • increased inductance
  • zero inductance
  • reduced inductance
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  • Self inductance of two coils only
  • Mutual inductance between two coils only
  • Mutual inductance and a self inductance of two coils
  • None of the above
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  • Zero resistance and inductance
  • Infinite resistance and zero inductance
  • Infinite resistance and normal inductance
  • Zero resistance and high inductance
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  • Laplace's law
  • Kirchhoff's voltage law
  • Fleming's right hand rule
  • Lenz's law
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  • Permeability of the core material
  • Number of turns of the coils
  • Cross sectional area of their common core
  • All of the above
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