What can cause the voltage across reactances in a series RLC circuit to be higher than the voltage applied to the entire circuit?

1. A Resonance
2. B Capacitance
3. C Low quality factor (Q)
4. D Resistance

What is the resonant frequency of an RLC circuit if R is 22 ohms, L is 50 microhenries, and C is 40 picofarads?

1. A 44.72 MHz
2. B 22.36 MHz
3. C 3.56 MHz
4. D 1.78 MHz

What is the magnitude of the impedance of a series RLC circuit at resonance?

1. A High, compared to the circuit resistance
2. B Approximately equal to capacitive reactance
3. C Approximately equal to inductive reactance
4. D Approximately equal to circuit resistance

What is the magnitude of the impedance of a parallel RLC circuit at resonance?

1. A Approximately equal to circuit resistance
2. B Approximately equal to inductive reactance
3. C Low compared to the circuit resistance
4. D High compared to the circuit resistance

What is the result of increasing the Q of an impedance-matching circuit?

1. A Matching bandwidth is decreased
2. B Matching bandwidth is increased
3. C Losses increase
4. D Harmonics increase

What is the magnitude of the circulating current within the components of a parallel LC circuit at resonance?

1. A It is at a minimum
2. B It is at a maximum
3. C It equals 1 divided by the quantity 2 times pi, times the square root of (inductance L multiplied by capacitance C)
4. D It equals 2 times pi, times the square root of (inductance L multiplied by capacitance C)

What is the magnitude of the current at the input of a parallel RLC circuit at resonance?

1. A Minimum
2. B Maximum
3. C R/L
4. D L/R

What is the phase relationship between the current through and the voltage across a series resonant circuit at resonance?

1. A The voltage leads the current by 90 degrees
2. B The current leads the voltage by 90 degrees
3. C The voltage and current are in phase
4. D The voltage and current are 180 degrees out of phase

How is the Q of an RLC parallel resonant circuit calculated?

1. A Reactance of either the inductance or capacitance divided by the resistance
2. B Reactance of either the inductance or capacitance multiplied by the resistance
3. C Resistance divided by the reactance of either the inductance or capacitance
4. D Reactance of the inductance multiplied by the reactance of the capacitance

What is the resonant frequency of an RLC circuit if R is 33 ohms, L is 50 microhenries, and C is 10 picofarads?

1. A 7.12 MHz
2. B 23.5 kHz
3. C 7.12 kHz
4. D 23.5 MHz

What is the half-power bandwidth of a resonant circuit that has a resonant frequency of 7.1 MHz and a Q of 150?

1. A 157.8 Hz
2. B 315.6 Hz
3. C 47.3 kHz
4. D 23.67 kHz

What is the half-power bandwidth of a resonant circuit that has a resonant frequency of 3.7 MHz and a Q of 118?

1. A 436.6 kHz
2. B 218.3 kHz
3. C 31.4 kHz
4. D 15.7 kHz

What is an effect of increasing Q in a series resonant circuit?

1. A Fewer components are needed for the same performance
2. B Parasitic effects are minimized
3. C Internal voltages increase
4. D Phase shift can become uncontrolled