logo

CuriousTab

CuriousTab

Discussion


Home Electronics RLC Circuits and Resonance Comments

  • Question
  • In a series RLC circuit the current can be found using:


  • Options
  • A. In a series RLC circuit the current can be found using: both of the above none of the above
  • B. In a series RLC circuit the current can be found using: both of the above none of the above
  • C. both of the above
  • D. none of the above

  • Correct Answer
  • both of the above 


  • RLC Circuits and Resonance problems


    Search Results


    • 1. 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
    • 2. 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
    • 3. 

      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
    • 4. 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
    • 5. 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
    • 6. What is the phase angle?


    • Options
    • A. 61.4º
    • B. 28.5º
    • C. -28.5º
    • D. -61.4º
    • Discuss
    • 7. 

      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
    • 8. 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
    • 9. The major difference between ground and virtual ground is that virtual ground is only a:

    • Options
    • A. voltage reference
    • B. current reference
    • C. power reference
    • D. difference reference
    • Discuss
    • 10. A differential amplifier has a common-mode gain of 0.2 and a common-mode rejection ratio of 3250. What would the output voltage be if the single-ended input voltage was 7 mV rms?

    • Options
    • A. 1.4 mV rms
    • B. 650 mV rms
    • C. 4.55 V rms
    • D. 0.455 V rms
    • Discuss


    Comments

    There are no comments.

Enter a new Comment