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diff --git a/3850/CH35/EX35.4/Ex35_4.sce b/3850/CH35/EX35.4/Ex35_4.sce
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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);
diff --git a/3850/CH35/EX35.4/Ex35_4.txt b/3850/CH35/EX35.4/Ex35_4.txt
new file mode 100644
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+
+ Magnetic Field at the Centre of Coil = 1.57*10^-3 T
+\ No newline at end of file