Physics - EMI/AC Question with Solution | TestHub

An ac source of angular frequency $\omega$ is fed across a resistor r and a capacitor C in series. The current registered is I. If the frequency of source is changed to $\omega /3$ (maintaining the same voltage), the current in the circuit is found to be halved. If the ratio of reactance to resistance at the original frequency $\omega$is x then find 100x ?