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Home ‣ Electronics ‣ RLC Circuits and Resonance Comments
  • Question

  • 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

  • Correct Answer
  • Zero voltage 

    • RLC Circuits and Resonance problems

    Search Results

    • 1. 

      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
      • Discuss
    • 2. 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
    • 3. 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
    • 4. 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
    • 5. 

      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
    • 6. 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
    • 7. 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
    • 8. What is the phase angle?


    • Options
    • A. 61.4º
    • B. 28.5º
    • C. -28.5º
    • D. -61.4º
      • Discuss
    • 9. 

      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
    • 10. The voltage follower has a:

    • Options
    • A. closed-loop voltage gain of unity
    • B. small open-loop voltage gain
    • C. closed-loop bandwidth of zero
    • D. large closed-loop output impedance
      • Discuss

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