Resonance in Series LCR Circuit
Resonance in Series LCR Circuit: Overview
This topic covers concepts, such as, Resonance Frequency, Phasor Diagram for Series L-C-R Circuit at Resonance, Power Dissipated at Resonance in Series LCR Circuit & Half Power Points of Frequency etc.
Important Questions on Resonance in Series LCR Circuit
In the following circuit the readings of AC voltmeters and ammeters will be respectively-

Half power point frequencies for which the power in the circuit is half of the ___________________ power in the circuit.

The half power point is commonly used definition for the _____ frequency.

The relationship between power and frequency is inversely proportional to each other.

What is half power point frequency?

The inductance of the oscillatory circuit of the radio station is and its capacitance is . Taking the effect of resistance negligible, wavelength of the broadcasted waves will be (velocity of light )

In LCR series circuit , then bandwidth of resonance is

The bandwidth of resonance in the A.C. circuit is proportional to inductance.

The inductance of the oscillatory circuit of the radio station is and its capacitance is . Taking the effect of resistance negligible, wavelength of the broadcasted waves will be (velocity of light )

Which one is the expression of resonant frequency in a series resonant circuit?

A parallel L-C circuit comprises of a 5H inductor and capacitor. The resonant frequency of the circuit in is

In the given figure, which point shows the resonant state?

In a series resonant circuit, having and as its elements, the resonant current is . The power dissipated in the circuit at resonance is

In the circuit in the figure, and the source of time varying emf has a peak voltage of What should the angular frequency of the source, $\omega$, be to produce the largest current in the resistor?

If value of is changed, then :-

The resonance frequency of the tank circuit of an oscillator when and are connected in parallel is

In a series resonant circuit, the AC voltage across resistance , inductor and capacitor are , respectively. The AC voltage applied to the current will be

In series circuit, the resonance condition in terms of capacitive reactance and inductive reactance is

The inductance of the oscillatory circuit of the radio station is and its capacitance is . Taking the effect of resistance negligible, wavelength of the broadcasted waves will be (velocity of light )

A resistance, coil and capacitor are joined in series. When a variable frequency alternating current source is joined to this combination, the circuit resonates. If the resistance is halved, the resonance frequency:
