logo

CuriousTab

CuriousTab

Discussion


Home Electronics Inductors See What Others Are Saying!
  • Question
  • An inductor is in series with a voltage source, an open switch, and a resistor. The instant the switch is closed, the inductor acts like


  • Options
  • A. a short
  • B. an open
  • C. a resistor
  • D. a voltage source

  • Correct Answer
  • an open 


  • More questions

    • 1. ___ capacitors have the highest values of capacitance.

    • Options
    • A. Electrolytic
    • B. Ceramic
    • C. Plastic-film
    • D. Mica
    • Discuss
    • 2. A series circuit provides only one path for current between two points.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. What is the ratio of 13 to 47 expressed in percent?

    • Options
    • A. 2.76%
    • B. 27.7%
    • C. 3.60%
    • D. 36.1%
    • Discuss
    • 4. What is the permeability of transformer iron?

    • Options
    • A. 50
    • B. 450
    • C. 1,500
    • D. 5,500
    • Discuss
    • 5. The voltages across all components in parallel are equal.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. When a depletion region of a transistor is large the barrier voltage is also large.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. 5400 TTL series logic chips are made to military specifications.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. Shunting the ac component away from the load is the task of a:

    • Options
    • A. transformer
    • B. filter
    • C. regulator
    • D. rectifier
    • Discuss
    • 9. The capacitor that produces an ac ground is called a(n)

    • Options
    • A. coupling capacitor
    • B. dc open
    • C. bypass capacitor
    • D. ac open
    • Discuss
    • 10. If the primary power of an ideal transformer having a 2:1 voltage ratio is 100 W, the secondary power is

    • Options
    • A. 100 W
    • B. 50 W
    • C. 75 W
    • D. 200 W
    • Discuss


    Comments

    There are no comments.

Enter a new Comment