In Figure P27.47, suppose the switch has been closed for a time interval sufficiently long for the capacitor to become fully charged. Find (a) the steady-state current in each resistor and (b) the charge on the capacitor. (c) The switch is now opened at . Write an equation for the current in as a function of time and (d) find the time interval required for the charge on the capacitor to fall to one-fifth its initial value.
