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Home ‣ Electronics ‣ RLC Circuits and Resonance Comments
  • Question

  • What is the impedance of the circuit in the given circuit? 1.05 k? 1.33 k? 2.19 k? 3.39 k?

    What is the impedance of the circuit in the given circuit?


  • Options
  • A. 1.05 kΩ
  • B. 1.33 kΩ
  • C. 2.19 kΩ
  • D. 3.39 kΩ

  • Correct Answer
  • 1.05 kΩ 

    • RLC Circuits and Resonance problems

    Search Results

    • 1. At any resonant frequency, what voltage is measured across the two series reactive components?

    • Options
    • A. applied
    • B. reactive
    • C. zero
    • D. inductive and capacitive
      • Discuss
    • 2. What is the true power consumed in a 30 V series RLC circuit if Z = 20 ohms and R = 10 ohms?

    • Options
    • A. 15.0 watts
    • B. 22.5 watts
    • C. 30.0 watts
    • D. 45.0 watts
      • Discuss
    • 3. What is the voltage across R1, C1, and L1?


    • Options
    • A. VR = 156 V, VC = 165 V, VL = 441 V
    • B. VR = 178 V, VC = 187 V, VL = 503 V
    • C. VR = 219 V, VC = 232 V, VL = 619 V
    • D. VR = 260 V, VC = 276 V, VL = 735 V
      • Discuss
    • 4. 

      What is the bandwidth of the circuit in the given circuit?


    • Options
    • A. 11.6 Hz
    • B. 275.9 Hz
    • C. 1.5 kHz
    • D. 3.2 kHz
      • Discuss
    • 5. How much current will flow in a 100 Hz series RLC circuit if VS = 20 V, RT = 66 ohms, and XT = 47 ohms?

    • Options
    • A. 1.05 A
    • B. 303 mA
    • C. 247 mA
    • D. 107 mA
      • Discuss
    • 6. At any resonant frequency, what net voltage is measured across the two series reactive components?

    • Options
    • A. Applied voltage
    • B. Reactive voltage
    • C. Zero voltage
    • D. VL + VC voltage
      • Discuss
    • 7. What is the Q (Quality factor) of a series circuit that resonates at 6 kHz, has equal reactance of 4 kilo-ohms each, and a resistor value of 50 ohms?

    • Options
    • A. 0.001
    • B. 50
    • C. 80
    • D. 4.0
      • Discuss
    • 8. In a series RLC circuit the current can be found using:

    • Options
    • A.
    • B.
    • C. both of the above
    • D. none of the above
      • Discuss
    • 9. What is the phase angle?


    • Options
    • A. 61.4º
    • B. 28.5º
    • C. -28.5º
    • D. -61.4º
      • Discuss
    • 10. 

      What is the resonant frequency in the given circuit?


    • Options
    • A. 11.6 Hz
    • B. 275.8 Hz
    • C. 1.5 kHz
    • D. 3.2 kHz
      • Discuss

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