logo

CuriousTab

CuriousTab

Discussion


Home Electronics Series-Parallel Circuits See What Others Are Saying!
  • Question
  • When a load is connected to a voltage divider, the total resistance of the circuit will ________.


  • Options
  • A. increase
  • B. decrease
  • C. remain the same
  • D. double

  • Correct Answer
  • decrease 


  • More questions

    • 1. 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
    • 2. The reflected load value that the source sees will always be larger than the load value itself.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. A transducer's function is to:

    • Options
    • A. transmit electrical energy
    • B. convert energy
    • C. produce mechanical energy
    • D. prevent current flow
    • Discuss
    • 4. An encoder circuit is designed to generate specific codes.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. The impedance of a series circuit when R = 15 kΩ and XL = 10 kΩ is approximately equal to ________.

    • Options
    • A. 5 kΩ
    • B. 6 kΩ
    • C. 18 kΩ
    • D. 25 kΩ
    • Discuss
    • 6. The periodic recharging of DRAM memory cells is called ___________.

    • Options
    • A. multiplexing
    • B. bootstrapping
    • C. refreshing
    • D. flashing
    • Discuss
    • 7. When a load is connected to a voltage divider, the total resistance of the circuit will ________.

    • Options
    • A. increase
    • B. decrease
    • C. remain the same
    • D. double
    • Discuss
    • 8. The flux density is ___ when the magnetic flux is 9 µWb and the cross-sectional area of the magnetic field is 5 × 10?3 m2.

    • Options
    • A. 1800 µT
    • B. 555.56 T
    • C. 9 µT
    • D. 5 × 10?3 T
    • Discuss
    • 9. A secondary cell generates dc via chemical activity; a primary cell generates dc:

    • Options
    • A. electrically
    • B. thermally
    • C. optically
    • D. chemically
    • Discuss
    • 10. If a bridge rectifier is used, it is not necessary to use a transformer.

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


    Comments

    There are no comments.

Enter a new Comment