logo

CuriousTab

CuriousTab

Discussion

Home ‣ Electrical Engineering ‣ Energy and Power See What Others Are Saying!
  • Question

  • The power rating of a resistor determines the minimum power that it can handle safely.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • More questions

    • 1. A 12 mA current source has an internal resistance, RS, of 1.2 kΩ. The equivalent voltage source is

    • Options
    • A. 144 V
    • B. 14.4 V
    • C. 7.2 V
    • D. 72 mV
      • Discuss
    • 2. Total power in a parallel circuit is found by adding up the power of all the individual resistors.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. Referring to Problem 23, what will the output voltage be if the coil's internal resistance is neglected?

    • Options
    • A. 0 V
    • B. 200 mV
    • C. 11.1 mV
    • D. 111 mV
      • Discuss
    • 4. When the current through an inductor decreases, the amount of energy stored in the electromagnetic field

    • Options
    • A. increases
    • B. decreases
    • C. remains the same
    • D. doubles
      • Discuss
    • 5. When a load resistance is removed from the output of a voltage divider circuit, the current drawn from the source

    • Options
    • A. decreases
    • B. increases
    • C. remains the same
    • D. is cut off
      • Discuss
    • 6. Using the current-divider formula, you can find the current in any branch of a series-parallel circuit.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. In a Y-connected source feeding a △-connected load,

    • Options
    • A. each phase of the load has one-third of the full line voltage across it
    • B. each phase of the load has two-thirds of the full line voltage across it
    • C. each phase of the load has the full line voltage across it
    • D. each phase of the load has a voltage across it equal to
      • Discuss
    • 8. The direction of a magnetic field within a magnet is

    • Options
    • A. from south to north
    • B. from north to south
    • C. back to front
    • D. front to back
      • Discuss
    • 9. A certain current source has the values IS = 4 µA and RS = 1.2 MΩ. The values for an equivalent voltage source are

    • Options
    • A. 4.8 µV, 1.2 MΩ
    • B. 1 V, 1.2 MΩ
    • C. 4.8 V, 4.8 MΩ
    • D. 4.8 V, 1.2 MΩ
      • Discuss
    • 10. Referring to the given circuit, the voltage and current for the load resistor, RL, is


    • Options
    • A. 450 mV, 4.5 mA
    • B. 4.50 V, 45 mA
    • C. 4.50 V, 4.5 mA
    • D. 450 mV, 45 mA
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.