logo

CuriousTab

CuriousTab

Discussion

Home ‣ Electronics ‣ Diodes and Applications Comments
  • Question

  • One of the advantages of using transformer coupling in a half-wave rectifier is that it allows the ac source to be directly connected to the load.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • Diodes and Applications problems

    Search Results

    • 1. An RL integrator can act as a __________ filter and an RC differentiator can act as a __________ filter.

    • Options
    • A. high-pass, high-pass
    • B. low-pass, low-pass
    • C. high-pass, low pass
    • D. low-pass, high-pass
      • Discuss
    • 2. After a voltage has been applied to an inductor, the current will be ___ of its full value after 2 time constants.

    • Options
    • A. 63%
    • B. 86%
    • C. 95%
    • D. 98%
      • Discuss
    • 3. When current flow tries to decrease in an inductor, the magnetic field _______________ and the voltage polarity across the inductor _______________.

    • Options
    • A. collapses, remains the same
    • B. expands, reverses
    • C. collapses, reverses
    • D. expands, remains the same
      • Discuss
    • 4. The opposition to ac by an inductor is directly proportional to ___.

    • Options
    • A. resistance
    • B. reactance
    • C. frequency
    • D. voltage
      • Discuss
    • 5. Electromagnetic induction is the generation of _________ from __________.

    • Options
    • A. magnetism, electricity
    • B. electricity, electricity
    • C. electricity, magnetism
    • D. magnetism, magnetism
      • Discuss
    • 6. A zener diode can be tested with an ohmmeter.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. The forward biased characteristics of a zener diode are the same as those of a diode.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. If the diode in a series circuit is reverse biased, the resistor will drop all the applied voltage.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. A zener diode can be used to provide voltage regulation in a power supply.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. The number of electrons in a stable atom is the same as the number of protons in its nucleus.

    • 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.