Answer the following:
(a) Explain the term 'Sharpness of resonance' in ac circuit.
(b) In a series `LCR` circuit , `V_L = V_C ne V_R`. What is the value of power factor for this circuit?

What is the value of power factor for series LR circuit ?

In L-C-R series AC circuit,

The power factor of a series LCR circuit is

In a series LCR circuit, at resonance, power factor is …….. .

Answer the following: (a) What do you understand by 'sharpness of resonance' for a series LCR resonant circuit? How is it related with the quality factor 'Q' of the circuit? Using the graphs given in the diagram, explain the factors which affect it. For which graph is the resistance (R ) minimum? (b) A 2 muF capacitor, 100 Omega resistor and 8 H inductor are connected in series with an ac source. Find the frequency of the ac source for which the current drawn in the circuit is maximum. If the peak value of emf of the source is 200 V, calculate the (i) maximum current, and (ii) inductive and capacitive reactance of the circuit at resonance.

At resonance in series R-L-C circuit

In a series R, L, C circuit X_(L)=10Omega, X_(c) = 4omega and R = 6Omega . Find the power factor of the circuit

In a series LCR, AC circuit, if V_L=800 , V_C=1600 V and applied voltage is 1000V, then power factor is

At resonance, the value of the power factor in an LCR series circuit is

In a LCR series resonating circuit. Give the value of average power loss.