Quality factor = ?

A series LRC circuit comprising of an inductor of inductance 3H, a resistor of resistance 7.4Omega and a capacitor of capacitance 27muF . When connected to an a.c source, the circuit resonates at a particular frequency. Calculate angular resonant frequency and quality factor of the resonant circuit.

A series LCR circuit with L = 80 mH, C = 50 mu F and R = 60 ohm is connected to a variable frequency 220 V source. Determine (i) the source frequency which drives the circuitin resonance (iii) the quality factor Q of the circuit.

A series LCR circuit contains a pure inductor of inductance 5.0H, a capacitor of capacitance 20mu F and a resistor 40Omega . Find the resonant frequency of the circuit. Calculate the quality factor (Q- factor ) of the circuit. What is the impedance at resonant condition?

Name the factor that determines : Quality of the note.

Which factors determine the quality and quantity of silk?