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  • Question

  • What is the magnitude of the phase angle between the source voltage and current when a 100 mH inductor with an inductive reactance of 6 kΩ and a 1 kΩ resistor are in series with a source?


  • Options
  • A. 0.1°
  • B. 9.0°
  • C. 61.0°
  • D. 81.0°

  • Correct Answer
  • 81.0° 

    • RL Circuits problems

    Search Results

    • 1. 

      Which of the following statements is true if the frequency decreases in the circuit in the given circuit?


    • Options
    • A. The phase angle decreases.
    • B. VR decreases.
    • C. IT decreases.
    • D. VS decreases.
      • Discuss
    • 2. What is the magnitude of the phase angle of a 24 Vac parallel RL circuit when R = 45 Ω and XL = 1100 Ω?

    • Options
    • A. 0.001°
    • B. 2.3°
    • C. 87.6°
    • D. 89.9°
      • Discuss
    • 3. 

      Which of the following statements is true if R1 opens in the circuit in the given circuit?


    • Options
    • A. IL2 increases.
    • B. ZT decreases.
    • C. VS increases.
    • D. VL1 equals 0 V.
      • Discuss
    • 4. 

      Calculate the voltage dropped across L2 in the given circuit.


    • Options
    • A. 18 V
    • B. 6 V
    • C. 13.5 V
    • D. 0 V
      • Discuss
    • 5. If XL= 100 Ω and R = 100 Ω, then impedance will be

    • Options
    • A. 141.4 Ω
    • B. 14.14 Ω
    • C. 100 Ω
    • D. 200 Ω
      • Discuss
    • 6. 

      Which of the following statements is true if the inductor shorts out in the circuit in the given circuit?


    • Options
    • A. Each component drops 5 V.
    • B. The impedance equals 0 Ω.
    • C. The power factor equals 1.
    • D. The phase angle equals 90°.
      • Discuss
    • 7. 

      Which of the following statements is true if R = 100 Ω and XL = 100 Ω in the circuit in the given circuit?


    • Options
    • A. Each component drops 5 V.
    • B. The impedance equals 200 Ω.
    • C. The power factor equals 1.
    • D. The phase angle equals 45°.
      • Discuss
    • 8. What is the true power of a 24 Vac parallel RL circuit when R = 45 Ω and XL = 1100 Ω?

    • Options
    • A. 313.45 W
    • B. 12.8 W
    • C. 44.96 W
    • D. 22.3 W
      • Discuss
    • 9. In a repetitive-pulse RC integrator circuit, what would the steady-state voltage equal at the end of the fifth pulse? Assume a Vin of 20 V.

    • Options
    • A. 1.46 V
    • B. 14.62 V
    • C. 20 V
    • D. 0 V
      • Discuss
    • 10. What is a circuit that produces short-duration spikes?

    • Options
    • A. A trigger pulse generator
    • B. An RL integrator
    • C. A timing circuit
    • D. A pulse waveform-to-dc converter
      • Discuss

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