The voltage across the capacitor at any instant in time during the charging period is:
\(V_{C} = V_{S} (1-e^{({-t \over RC})})\)
| V | Supply voltage. | ||
| s | Seconds. | ||
| Ω | Resistor in series with the capacitor. | ||
| F | Capacitance in farad. | ||
| V | Voltage across capacitor. |