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p=15;
rl=200;
rb=80;
l=0.9;
v=120;
f=60;
disp("Part a");
r=rb+rl;
x_l=2*%pi*f*l;
z=sqrt(x_l^2+r^2);
i=v/z;
disp("current drawn (in A) by the lamp is"); disp(i);
disp("Part b");
s=v*i;
disp("apparent power (in VA) is"); disp(s);
disp("Part c");
pl=i^2*rl;
disp("power (in W) in the fluorescent lamp is"); disp(pl);
disp("Part d");
pb=i^2*rb;
disp("power (in W) in the ballast is");disp(pb);
disp("Part e");
pf=p/s;
disp("overall power factor is"); disp(pf);
disp("Part f");
deg=acos(pf);
q=v*i*sin(deg);
disp("the reactive power (in VAr) is"); disp(q);
disp("Part g");
x_c=v^2/q;
c=1/(2*%pi*f*x_c);
disp("the size of the capacitor (in μF) is"); disp(c*10^6);
disp("Part h");
p1=pl+pb;
i1=p1/v;
disp("current drawn (in A) after power factor correction is"); disp(i1);
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