Time Constant of RC circuit Due In 5 hours, 25 minutes A 1.90x 105 $2 resistor and a capacitor are connected in series and then a 3.40 V potential difference is suddenly applied across them. The potential difference across the capacitor rises to 2.720 V in 3.80 us. Calculate the time constant of the circuit. 0.5757 us Submit Answer Incorrect. Tries 8/10 Previous Tries Find the capacitance of the capacitor. Submit Answer Tries 0/10 This discussion is closed. Send Feedb