This is a simulation of voltages across a series RLC circuit with a 100 Ω resistor, a 10 mH inductor, and a 1 µF capacitor connected to a 1 kHz AC source. The waveforms display the voltages across each element. The green waveform is the voltage across the resistor, which is always in phase with the current. The yellow waveform is the voltage across the inductor, which leads the current by 90°. The red waveform is the voltage across the capacitor, which lags the current by 90°. The purple wavefor