Capacitor Charging and RC Time Constant

Watch an RC circuit charge or discharge while voltage, current, stored charge, and the one-time-constant guide update together.

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Capacitor Charging and RC Time Constant

Speed

Preparing simulation

Keyboard: Space toggles play, R resets, ] steps forward, [ returns to the initial state.

An ideal resistor-capacitor circuit simulation for connecting the circuit diagram to exponential transient behavior. Learners switch between charging and discharging, tune resistance and capacitance, and compare the live capacitor voltage to the characteristic time constant.

time-constantcapacitancetransientscircuitselectricity2d