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diff --git a/3648/CH18/EX18.4/Ex18_4.sce b/3648/CH18/EX18.4/Ex18_4.sce
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index 000000000..3033e7a08
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+++ b/3648/CH18/EX18.4/Ex18_4.sce
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+//Example 18_4
+clc();
+clear;
+//To calculate the value of B at a radial distance of 5 cm
+u=4*%pi*10^-7      //Units in T m/A
+i=30       //Units in A
+r=0.05         //Units in Meters
+b=(u*i)/(2*%pi*r)         //Units in T
+b=b*10^4          //Units in G
+printf("The value of B is=%.2f G",b)
diff --git a/3648/CH18/EX18.4/Ex18_4.txt b/3648/CH18/EX18.4/Ex18_4.txt
new file mode 100644
index 000000000..48dade49d
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+++ b/3648/CH18/EX18.4/Ex18_4.txt
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+The value of B is=1.20 G 
+\ No newline at end of file