JEE MAIN - Physics (2022 - 25th July Morning Shift - No. 12)
To increase the resonant frequency in series LCR circuit,
source frequency should be increased.
another resistance should be added in series with the first resistance.
another capacitor should be added in series with the first capacitor.
the source frequency should be decreased.
Explanation
Resonant frequency $$ = {1 \over {\sqrt {LC} }} = {\omega _0}$$
$$\Rightarrow$$ If we decrease C, $$\omega$$0 would increase
$$\Rightarrow$$ Another capacitor should be added in series.
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