Resonance in Series and Parallel Circuits

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What is the condition in which the inductive reactance equals the capacitive reactance?

Impedance

Capacitance

Inductance

Resonance (correct)

What type of circuit is formed when the resonant frequency is fed to a series or parallel circuit?

Tuned circuit (correct)

Capacitive circuit

Inductive circuit

Resistive circuit

At what frequency do XL and XC equal each other in a series resonant circuit?

Cutoff frequency

Resonant frequency (correct)

Peak frequency

Harmonic frequency

What happens to the voltage across the capacitor and inductor in a series LCR circuit below the resonant frequency?

The voltage across the capacitor is larger than the voltage across the inductor Signup and view all the answers

What is the condition of a circuit when XL equals XC?

The circuit is resonant Signup and view all the answers

What type of curves show how XL and XC vary with frequency in a series resonant circuit?

Impedance curves Signup and view all the answers

What happens to the inductive reactance in an RL low-pass filter as the frequency increases?

It increases Signup and view all the answers

What happens to the voltage across the resistor in an RL low-pass filter as the frequency increases?

It decreases Signup and view all the answers

What is the primary difference between an RC low-pass filter and an RL low-pass filter?

The ease of use and cost Signup and view all the answers

What is the effect of an RL low-pass filter on higher frequencies?

It rolls them off Signup and view all the answers

What determines the impedance of an inductor in an RL low-pass filter?

The frequency of the signal Signup and view all the answers

What is the main advantage of using capacitors in RC low-pass filters?

All of the above Signup and view all the answers

What is a filter composed of in each case?

A resistor and a frequency-varying component Signup and view all the answers

What happens to the output voltage as the supply frequency changes?

It varies Signup and view all the answers

What is the effect of an increase in frequency on inductive reactance?

It increases Signup and view all the answers

What is the effect of a decrease in frequency on capacitive reactance?

It increases Signup and view all the answers

What is the purpose of selecting the appropriate values of resistance and capacitance in a filter?

To design filters that pass or eliminate desired frequencies Signup and view all the answers

What type of circuit is affected by the variation of inductive and capacitive reactances with frequency?

LCR circuit Signup and view all the answers

Resonance in Series and Parallel Circuits

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Questions and Answers

What is the condition in which the inductive reactance equals the capacitive reactance?

What type of circuit is formed when the resonant frequency is fed to a series or parallel circuit?

At what frequency do XL and XC equal each other in a series resonant circuit?

What happens to the voltage across the capacitor and inductor in a series LCR circuit below the resonant frequency?

What is the condition of a circuit when XL equals XC?

What type of curves show how XL and XC vary with frequency in a series resonant circuit?

What happens to the inductive reactance in an RL low-pass filter as the frequency increases?

What happens to the voltage across the resistor in an RL low-pass filter as the frequency increases?

What is the primary difference between an RC low-pass filter and an RL low-pass filter?

What is the effect of an RL low-pass filter on higher frequencies?

What determines the impedance of an inductor in an RL low-pass filter?

What is the main advantage of using capacitors in RC low-pass filters?

What is a filter composed of in each case?

What happens to the output voltage as the supply frequency changes?

What is the effect of an increase in frequency on inductive reactance?

What is the effect of a decrease in frequency on capacitive reactance?

What is the purpose of selecting the appropriate values of resistance and capacitance in a filter?

What type of circuit is affected by the variation of inductive and capacitive reactances with frequency?

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