(Solved): An LRC circuit consists of a 18.0F capacitor, a resistor, and an inductor connected in series ...

An $LRC$ circuit consists of a $18.0-\mu \mathrm{F}$ capacitor, a resistor, and an inductor connected in series across an ac power source of variable frequency that has a voltage amplitude of $21.0\mathrm{V}$. You observe that when the power source frequency is adjusted to $48.5\mathrm{Hz}$, the rms current through the circuit has its maximum value of $69.0\mathrm{mA}$. What will be the rms current $i_{\text{rms }}$ if you change the frequency of the power source to $60.0\mathrm{Hz}$ ?