Physics - EMI/AC Question with Solution | TestHub

For a given series LCR circuit it is found that maximum current is drawn when value of variable capacitance is $25\mathrm{nF}$. If resistance of $200\Omega$ and $100\mathrm{mH}$ inductor is being used in the given circuit. The frequency of ac source is ______ $\times 10^3\mathrm{Hz}$. (given ${\pi }^2=10$ )