clear
//Given
C=50*10**-6                          //F
V=230                                 //V

//Calculation
//
q=C*V*sqrt(2)
E=0.5*C*(V*sqrt(2))**2

//Result
printf("\n (i) Maximum charge on the capacitor is %0.2f  *10**-3 C",q*10**3)
printf("\n (ii) The maximum energy stored in the capacitor is %0.2f  J",E)