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An inductor of inductance $\mathrm{L}$, a capacitor of capacitance $\mathrm{C}$ and a resistor of resistance $\mathrm{R}$ are connected in series to an ac source. The quality factor of the circuit is
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The correct answer is:
$\sqrt{\frac{\mathrm{L}}{\mathrm{CR}^2}}$
Quality factor is given as
$\mathrm{Q}=\frac{\omega_0 \mathrm{~L}}{\mathrm{R}}=\sqrt{\frac{\mathrm{L}}{\mathrm{R}^2 \mathrm{C}}}$
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