Engineering Board Exam Reviewer · RLC Circuits and Resonance · easy
A series resonant circuit has a resonant frequency of 10 kHz and a bandwidth of 500 Hz. What is its quality factor?
- 10
- 40
- 30
- 20
Answer
D. 20
Solution
Q=f0/BW= 10,000500=20.
More RLC Circuits and Resonance questions
- At the resonant frequency of an ideal parallel LC circuit, the impedance seen by the source is
- Find the resonant frequency of a series circuit containing a 100 mH inductor and a 10, F capacitor.
- At series resonance, the phase angle between the source voltage and the current is
- At the resonant frequency of a series RLC circuit, the impedance is
- A 6 kW load has a power factor of 0.75 lagging. How many kvar of parallel capacitance raise the power factor to 0.95 lagging?
- A practical parallel resonant circuit consists of a coil (L=100, H, series resistance 10, ) in parallel with a 100 pF capacitor. Using the…
- The curve shows the normalized current of a series RLC circuit versus frequency. The dashed lines mark the half-power (0.707) points, at…
- A series RLC circuit is shown, with R=25, , L=200 mH, and C=5, F connected to a variable-frequency source of 24 V rms. What is the voltage…
- What capacitance must be placed in series with a 25 mH inductor so the circuit resonates at 2 kHz?
- In a series RLC circuit with a high Q, at resonance the voltage across the capacitor is