Physics - EMI/AC Question with Solution | TestHub

An inductor of $0.5\text{mH}$, a capacitor of $200\text{μF}$ and a resistor of $2\Omega$ are connected in series with a $220\mathrm{V}$ ac source. If the current is in phase with the emf, the frequency of ac source will be ______$\times 10^2\text{Hz}$.