21. The 2 4F capacitor in the circuit diagram is initially charged with 10 uС. At t=0 the switch S is closed and the cap
Posted: Wed May 18, 2022 7:43 am
21. The 2 4F capacitor in the circuit diagram is initially charged with 10 uС. At t=0 the switch S is closed and the capacitor starts discharging through the 0.4 MA resistor. The time (in s) for the voltage on the capacitor to drop to 2 volts is: S a) 0.73 BAMO b) 0.37 2011 c) 1.47 d) 20.0 e) 0.0