Easy
$A$ series resonant circuit consists of an inductor '$L$' of negligible resistance and a capacitor '$C$' which produces a resonant frequency '$f$'. If '$L$' is changed to $3L$ and '$C$' is changed to $6C$,the new resonant frequency will become:
- A$\frac{f}{6}$
- B$\frac{f}{3}$
- C$\frac{f}{2 \sqrt{2}}$
- D$\frac{f}{3 \sqrt{2}}$
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