The variation with potential difference 
of the charge 
on one of the plates of a capacitor is shown in the graph below.
The capacitor is connected to an 
power supply and two resistors R and S as shown in the figure below.
The resistance of R is 
and the resistance of S is 
. The switch can be in either position X or position Y. The switch is in position X so that the capacitor is fully charged. Calculate the energy 
stored in the capacitor.
.
