R-L-C Circuit Analysis 
_________ the resonant frequency, the current in the inductor lags the voltage in a series RLC circuit.
_________ the resonant frequency, the current in the capacitor leads the voltage in a series RLC circuit.
In an AC circuit, resistance 50 Ω, inductance 0.3 H and capacitance 15 μF is connected to an AC voltage source 25 V, 50 Hz. Determine the inductive reactance in the circuit.