RC Circuit Time Constant
τ = R·C
What it says
The RC time constant is the time required to charge a capacitor, through a resistor, by ≈63.2% of the difference between the initial value and final value, or to discharge the capacitor to ≈36.8% of its initial value.
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
τ | Time constant (s) | T |
R | Resistance (Ω) | M L^2 T^-3 I^-2 |
C | Capacitance (F) | M^-1 L^-2 T^4 I^2 |
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Connects to
Filed under Electromagnetism · derive through it in the explorer