logo

CuriousTab

CuriousTab

Discussion


Home Electronics RL Circuits Comments

  • Question
  • For series ac circuits containing both resistance and inductive reactance, total opposition to current can be found by simply adding ohmic values or oppositions to current.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 


  • RL Circuits problems


    Search Results


    • 1. If Y = 20 mS, then Z = 20.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. 

      The impedance of the circuit in the given circuit is 110 Ω .


    • Options
    • A. True
    • B. False
    • Discuss
    • 3. 

      The circuit in the given circuit is a low-pass filter.


    • Options
    • A. True
    • B. False
    • Discuss
    • 4. The current lags the source voltage in a series RL circuit.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. As frequency decreases in a parallel RL circuit the impedance also decreases.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. If a 7.5 kΩ resistance is connected to a 10 kΩ inductive reactance in a series RL circuit, then the impedance equals 12.5 kΩ .

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. In a series RL circuit, a power factor of 0.5 results in less energy conversion to heat than does a power factor of 0.6.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. Phase angle is the difference in phase between the applied voltage (VS) and the circuit current (IT).

    • Options
    • A. True
    • B. False
    • Discuss
    • 9. As the frequency increases in a series RL circuit the impedance also increases.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. The phase angle will increase in a parallel RL circuit if the resistance is increased.

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


    Comments

    There are no comments.

Enter a new Comment