RLC Circuits and Resonance MCQ

RLC Circuits and Resonance MCQ Questions

• 1. In a parallel RLC circuit, which value may always be used as a vector reference?
• 2. current in a series rlc circuit may always be used as
• 3. Series RLC voltage or impedance totals must be calculated by:
• 4. If the bandwidth of a filter increases:
• 5. Current in a series RLC circuit may always be used as a ................
• 6. Which of the following statement best describes reactance in a series RLC circuit?
• 7. Can a parallel tuned circuit be used to couple energy from one circuit to another?
• 8. If the resistance in parallel with a parallel resonant circuit is reduced, the bandwidth
• 9. The current is minimum at resonance in a series RLC circuit?
• 10. If the value of C in a series RLC circuit is decreased, the resonant frequency
• 11. A series resonant circuit is commonly called a tank circuit.
• 12. What do you mean by RLC circuit?
• 13. Electrical resonance occurs in an electric circuit at a particular resonant frequency when the impedances or admittances of circuit elements cancel each other.
• 14. If the value of C in a series RLC circuit is decreased, the resonant frequency ___.
• 15. A certain series resonant circuit has a bandwidth of 2 kHz. If the existing coil is replaced with one having a higher value of Q, the bandwidth will ___.
• 16. In a series RLC circuit, the larger reactance determines the net reactance of the circuit.
• 17. A 15 Ω resistor, a 220 µH coil, and a 60 pF capacitor are in series across an ac source. What is the bandwidth of the circuit?
• 18. As XL = XC in a series resonance circuit, the impedance is __.
• 19. Is at resonant frequency, the voltage across capacitor is equal to the voltage across inductor?
• 20. To tune a parallel resonant circuit to a higher frequency the capacitance should be: