logo

CuriousTab

CuriousTab

Inductors problems

  • 1. Which of the following represents a true equivalent of an inductor?

  • Options
  • A. An inductance in series with a resistance and a capacitance
  • B. A capacitance in parallel with the series combination of a resistance and an inductance
  • C. An inductance in parallel with the series combination of a resistance and a capacitance
  • D. The only quality a real inductor has is inductance.
    • Discuss
  • 2. What is magnetic flux?

  • Options
  • A. the number of lines of force in webers
  • B. the number of lines of force in maxwells
  • C. the number of lines of force in teslas
  • D. the number of lines of force in flux density
    • Discuss
  • 3. What is the total inductance, assuming no mutual inductance?

    Electronics Inductors: What is the total inductance, assuming no mutual inductance?

  • Options
  • A. 12 mH
  • B. 6 mH
  • C. 0.73 mH
  • D. 0 mH
    • Discuss
  • 4. When a rate of one ampere per second causes an induced voltage of one volt, the unit of measure is

  • Options
  • A. a lenz
  • B. an ohm
  • C. a farad
  • D. a henry
    • Discuss
  • 5. A magnetic field has:

  • Options
  • A. polar fields
  • B. lines of force
  • C. magnetomotive force
  • D. lines of reluctance
    • Discuss
  • 6. If 360 Vac is the output of a 300-turn secondary winding, what is the input voltage when the primary winding has 150 turns?

  • Options
  • A. 2.4 Vac
  • B. 150 Vac
  • C. 180 Vac
  • D. 720 Vac
    • Discuss
  • 7. What happens when moving expanding lines of force encounter a conductor?

  • Options
  • A. Current increases.
  • B. Voltage is induced.
  • C. Resistance is reduced.
  • D. Power is increased.
    • Discuss
  • 8. Find IR and IL.

    Electronics Inductors: Find IR and IL.

  • Options
  • A. IR = 50 mA, IL = 109 mA
  • B. IR = 150 mA, IL = 9 mA
  • C. IR = 50 mA, IL = 151 mA
  • D. IR = 150 mA, IL = 53 mA
    • Discuss
  • 9. Which two values are plotted on a B-H curve graph?

  • Options
  • A. reluctance and flux density
  • B. permeability and reluctance
  • C. magnetizing force and permeability
  • D. flux density and magnetizing force
    • Discuss
  • 10. A utility pole transformer used to supply a residential customer with two phases uses:

  • Options
  • A. two phases on the primary
  • B. a center tap on the secondary
  • C. a separate ground for each phase
  • D. a small coefficient of coupling
    • Discuss

First 6 7 8 ... 10 .. 12 13 Last

Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.