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The transfer function $H(s)=\frac{V_{0}(s)}{V_{i}(s)}$ of an R-L-C circuit is given by

$H(s)=\frac{10^{6}}{s^{2}+20 s+10^{6}}$

The Quality factor (Q-factor) of this circuit is

1. $25$
2. $50$
3. $100$
4. $5000$