You want the current amplitude through a $0\mathrm{.}350$ mH inductor $($part of the circuitry for a radio receiver$)$ to be $1\mathrm{.}40$ mA when a sinusoidal voltage with an amplitude of $13\mathrm{.}0$ V is applied across the inductor.

Part A

What frequency is required?

Express your answer with the appropriate units.