phi=0.7*10^(-4);
i=0.1;
s1=0.01;
a_cs=s1^2;
s2=0.005;
a_ss=s1*s2;
b_cs=phi/a_cs;
b_ss=phi/a_ss;
h_cs=400;
h_ss=1100;
l_cs=0.035;
l_ss=0.105;
ni_cs=h_cs*l_cs;
ni_ss=h_ss*l_ss;
ni=ni_cs+ni_ss;
n=ni/i;
disp("the number of turns required in the coil is"); disp(n);