p=600;
c=0.1*10^(-6);
e=20*10^3;
disp("Part a");
f=1.5;
d=f*p/e;
disp("the minimum separation (in mm) of the plates is"); disp(d);
disp("Part b");
e0=8.85*10^(-12);
k=3;
a=c*d/(k*e0*10^3);
disp("the area (in m²) of one of the metal foil plates is"); disp(a);
disp("Part c");
w=0.04;
l=a/w;
disp("the lenght (in m) of the metal foil is"); disp(l);