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V = Voltage in Volts R = Impedance in OHM I = Current in Amps
P = Power in Watts V = Voltage in Volts I = Current in Amps
Time constant (Tau)
T = Time in seconds R = Impedance in OHM C = Capacity in Farad
To have the charge or discharge time of a capacitor, it is necessary to calculate 5 Tau. The formula is applied and times are used to have the full charge or discharge time.