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EEE :: Inductors

  1. The permeability of a core material is an indication of the ability of the material to establish a magnetic field.

  2. A.
    True
    B.
    False

  3. XL is directly proportional to frequency and inductance.

  4. A.
    True
    B.
    False

  5. An induced voltage is produced as a result of a dc voltage.

  6. A.
    True
    B.
    False

  7. Faraday's law states that relative motion between a magnetic field and a coil induces a voltage across the coil.

  8. A.
    True
    B.
    False

  9. Inductance is the property of an inductor that produces an opposition to any change in current.

  10. A.
    True
    B.
    False

  11. All coil cores are made of iron.

  12. A.
    True
    B.
    False

  13. Inductance is indirectly proportional to the square of the number of turns, the permeability, and the cross-sectional area of the core.

  14. A.
    True
    B.
    False

  15. Inductors add in parallel.

  16. A.
    True
    B.
    False

  17. Energy is stored by an inductor in an electrostatic field.

  18. A.
    True
    B.
    False

  19. The term choke is more commonly used in connection with an inductor used to block off high frequencies.

  20. A.
    True
    B.
    False