RLC Circuits and Resonance Questions

• By increasing the resistance of a coil you can increase the Q of the coil at resonance.
• The current lags the voltage in the given circuit.
• The voltage across the inductor is 77.8 volts.
• This circuit is a high-pass filter.
• The quality factor at resonance of a series circuit is VR/VL.
• The impedance is 9684 Ω.
• Series LC combinations are used more often in tuned amplifier circuits than are parallel LC combinations.
• If the output voltage were taken across the resistor in the given circuit, the circuit would be a band-stop filter.
• Resonance will occur when XC = XL in the circuit below.
• The impedance is 160 Ω.
• The greater the selectivity, the wider the bandwidth.
• A parallel tuned circuit can be used to couple energy from one circuit to another.
• The output voltage at the resonant frequency is _____ in the given circuit.
• Series resonance happens when _____.
• When a parallel tank circuit is used in series with an output load resistor the filter is ______.
• The phase angle is ______ in the given circuit.
• The output voltage at the resonant frequency is ______ in the given circuit. If a 10 kΩ load is connected.
• The ___ of a circuit describes the ability of that circuit to respond to certain frequencies while rejecting all others.
• At frequencies well above and below the resonant frequency, the series RLC circuit looks ______ and the parallel RLC circuit looks ______.
• When a parallel tank is used in series with an output load resistor the filter is a(n) ______ filter.