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//To Calculate the Magnetic Field at the Centre of Coil
//Example 35.4
clear;
clc;
i=1.5;//Current Carried by the Circular Coil in Amperes
n=25;//Number of turns in the coil
a=1.5*10^-2;//Radius of the Circular coil in metres
u0=4*%pi*10^-7;//Permeability of Vaccum
B=u0*i*n/(2*a);//formula for finding the magnetic field at the centre
printf("Magnetic Field at the Centre of Coil = %.2f*10^-3 T",B*10^3);
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