What happens when inductive and capacitive reactance are equal in a series LC circuit?

1. A Resonance causes impedance to be very high
2. B Impedance is equal to the geometric mean of the inductance and capacitance
3. C Resonance causes impedance to be very low
4. D Impedance is equal to the arithmetic mean of the inductance and capacitance

What is reactance?

1. A Opposition to the flow of direct current caused by resistance
2. B Opposition to the flow of alternating current caused by capacitance or inductance
3. C Reinforcement of the flow of direct current caused by resistance
4. D Reinforcement of the flow of alternating current caused by capacitance or inductance

Which of the following is opposition to the flow of alternating current in an inductor?

1. A Conductance
2. B Reluctance
3. C Admittance
4. D Reactance

Which of the following is opposition to the flow of alternating current in a capacitor?

1. A Conductance
2. B Reluctance
3. C Reactance
4. D Admittance

How does an inductor react to AC?

1. A As the frequency of the applied AC increases, the reactance decreases
2. B As the amplitude of the applied AC increases, the reactance increases
3. C As the amplitude of the applied AC increases, the reactance decreases
4. D As the frequency of the applied AC increases, the reactance increases

How does a capacitor react to AC?

1. A As the frequency of the applied AC increases, the reactance decreases
2. B As the frequency of the applied AC increases, the reactance increases
3. C As the amplitude of the applied AC increases, the reactance increases
4. D As the amplitude of the applied AC increases, the reactance decreases

What is the term for the inverse of impedance?

1. A Conductance
2. B Susceptance
3. C Reluctance
4. D Admittance

What is impedance?

1. A The ratio of current to voltage
2. B The product of current and voltage
3. C The ratio of voltage to current
4. D The product of current and reactance

What unit is used to measure reactance?

1. A Farad
2. B Ohm
3. C Ampere
4. D Siemens

Which of the following devices can be used for impedance matching at radio frequencies?

1. A A transformer
2. B A Pi-network
3. C A length of transmission line
4. D All these choices are correct

What letter is used to represent reactance?

1. A Z
2. B X
3. C B
4. D Y

What occurs in an LC circuit at resonance?

1. A Current and voltage are equal
2. B Resistance is cancelled
3. C The circuit radiates all its energy in the form of radio waves
4. D Inductive reactance and capacitive reactance cancel