logo

CuriousTab

CuriousTab

Discussion

Home ‣ Electronics ‣ Inductors Comments
  • Question

  • Lenz's law states that the current induced in a circuit due to a change in the magnetic field is so directed as to oppose the change in flux or to exert a mechanical force opposing the motion.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Inductors problems

    Search Results

    • 1. Self-inductance is the property that causes an electromotive force to be produced in a conductor.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. XL = 2ΠfL

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. 

      If R3 opens in the given circuit, the total resistance (RT) between points A and B equals ____.


    • Options
    • A. 900 Ω
    • B. 100 Ω
    • C. 110 Ω
    • D. infinite resistance
      • Discuss
    • 4. A Thevenin equivalent circuit contains _____.

    • Options
    • A. a voltage source in series with a resistance
    • B. a current source in series with a resistance
    • C. resistors in a series-parallel configuration
    • D. many voltage sources
      • Discuss
    • 5. 

      If the voltage between points A and B equals 9 V in the given circuit, then VR3 equals ______.


    • Options
    • A. 0.9 V
    • B. 8.1 V
    • C. 9 V
    • D. More information is needed to find VR3.
      • Discuss
    • 6. Kirchhoff's voltage law does not apply to series RL circuits.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. For inductions in series, LT = L1 + L2 + L3 +...

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. Inductors connected in series will increase the total inductance value.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. Five time constants are required for current in an inductor to reach a maximum value.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. Magnetic force is the force that produces a magnetic field.

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

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.