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Questions and Answers
What is the condition in which the inductive reactance equals the capacitive reactance?
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?
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?
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?
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 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 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 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 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 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 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 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 the main advantage of using capacitors in RC low-pass filters?
What is a filter composed of in each case?
What is a filter composed of in each case?
What happens to the output voltage as the supply frequency changes?
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 an increase in frequency on inductive reactance?
What is the effect of a decrease in frequency on capacitive 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 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?
What type of circuit is affected by the variation of inductive and capacitive reactances with frequency?
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