logo

CuriousTab

CuriousTab

Discussion

Home ‣ Electronics ‣ Diodes and Applications Comments
  • Question

  • Providing a constant output regardless of ac input or load resistance changes is the function of a:


  • Options
  • A. transformer
  • B. filter
  • C. regulator
  • D. rectifier

  • Correct Answer
  • regulator 

    • Diodes and Applications problems

    Search Results

    • 1. What does Faraday's law concern?

    • Options
    • A. a magnetic field in a coil
    • B. a magnetic field cutting a conductor
    • C. a magnetic field hystersis
    • D. a magnetic field in a conductor
      • Discuss
    • 2. What is the total inductance of a 5 H and a 100 mH coil connected in parallel?

    • Options
    • A. 4.76 mH
    • B. 33.3 mH
    • C. 98.0 mH
    • D. 150.0 mH
      • Discuss
    • 3. What is electromagnetism?

    • Options
    • A. the magnetic field generated around a conductor when a current passes through it
    • B. the magnetic field generated in a conductor by an external voltage
    • C. the voltage caused by a magnetic field in a conductor
    • D. the current generated by an external magnetic field
      • Discuss
    • 4. A change of one ampere per second in an inductor that induces a voltage of one volt is considered as which unit value?

    • Options
    • A. a lenz
    • B. an ohm
    • C. a farad
    • D. a henry
      • Discuss
    • 5. If the primary of a 4:1 turns transformer dissipates 5 W, what is the secondary power?

    • Options
    • A. 5.0 W
    • B. 1.25 pW
    • C. 9.5 W
    • D. 20.0 mW
      • Discuss
    • 6. What is wrong with this diode?


    • Options
    • A. open
    • B. short
    • C. nothing
    • D. not enough data
      • Discuss
    • 7. Electrons in the outermost orbit or shell of an atom are called

    • Options
    • A. free electrons
    • B. negative ions
    • C. valence electrons
    • D. conduction band electrons
      • Discuss
    • 8. Rectifier output polarity depends upon:

    • Options
    • A. cycles of input
    • B. capacitor polarity
    • C. half or full wave
    • D. diode installation
      • Discuss
    • 9. What is the current through the zener diode?


    • Options
    • A. 0 mA
    • B. 7 mA
    • C. 8.3 mA
    • D. 13 mA
      • Discuss
    • 10. In a power supply diagram, which block indicates a pulsating dc output?

    • Options
    • A. transformer
    • B. filter
    • C. rectifier
    • D. regulator
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.