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Questions and Answers
What is the condition for a series RLC circuit to be resonant?
What is the condition for a series RLC circuit to be resonant?
- Resultant reactance is zero (correct)
- Resultant reactance is maximum
- Impedance is purely resistive and reactance is maximum
- Impedance is purely reactive
What happens to the current in a series RLC circuit when it is resonant?
What happens to the current in a series RLC circuit when it is resonant?
- Current leads the applied voltage
- Current is maximum
- Current is in phase with the applied voltage (correct)
- Current lags the applied voltage
What is the frequency of the applied signal at which resonance occurs in a series RLC circuit?
What is the frequency of the applied signal at which resonance occurs in a series RLC circuit?
- Angular frequency
- Fundamental frequency
- Resonance frequency (correct)
- Natural frequency
What is the expression for the impedance of a series RLC circuit?
What is the expression for the impedance of a series RLC circuit?
What is the condition for a series RLC circuit when f < fs?
What is the condition for a series RLC circuit when f < fs?
What is the significance of the resonance frequency in a series RLC circuit?
What is the significance of the resonance frequency in a series RLC circuit?
What is the characteristic of the current in a series RLC circuit when it is not resonant?
What is the characteristic of the current in a series RLC circuit when it is not resonant?
What is the purpose of the experiment described in the text?
What is the purpose of the experiment described in the text?
At what frequency does the reactance of the inductor equal the reactance of the capacitor in a series RLC circuit?
At what frequency does the reactance of the inductor equal the reactance of the capacitor in a series RLC circuit?
What is the resulting circuit impedance at the resonance frequency?
What is the resulting circuit impedance at the resonance frequency?
What is the phase relationship between voltage and current in a series RLC circuit at resonance?
What is the phase relationship between voltage and current in a series RLC circuit at resonance?
What is the purpose of varying the frequency of the function generator in the experiment?
What is the purpose of varying the frequency of the function generator in the experiment?
What is the shape of the phasor diagram of a series RLC circuit at resonance?
What is the shape of the phasor diagram of a series RLC circuit at resonance?
What is the condition for series resonance in an RLC circuit?
What is the condition for series resonance in an RLC circuit?
What is the impedance of a series RLC circuit when the frequency is not at resonance?
What is the impedance of a series RLC circuit when the frequency is not at resonance?
What is the purpose of keeping the output voltage constant in the experiment?
What is the purpose of keeping the output voltage constant in the experiment?
What is the angle by which voltage VL leads the current?
What is the angle by which voltage VL leads the current?
What is the impedance of an inductor?
What is the impedance of an inductor?
What is the reactance of a capacitor?
What is the reactance of a capacitor?
What is the impedance of a series RLC circuit?
What is the impedance of a series RLC circuit?
What is the condition for series resonance?
What is the condition for series resonance?
What is the current at series resonance?
What is the current at series resonance?
What is the frequency of series resonance?
What is the frequency of series resonance?
What is the nature of the impedance at series resonance?
What is the nature of the impedance at series resonance?
