// Example  2.14

v=240;
p=1000;         //toaster reted at 1000 w
R=v^2/p;        // resistanc raring 
Imax=p/v;       // Current rating
v1=220;
I=v1/R;         // Current at 220 v
p1=v1*I;
disp(' Power rating is = '+string(p1)+' Watt');
disp(' there for the Power rating is less then original power. ');





       //     p 28       2.14