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diff --git a/3257/CH12/EX12.2/Ex12_2.sce b/3257/CH12/EX12.2/Ex12_2.sce
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+// current in shielded metal arc welding
+clc
+V = 20 // applied voltage in Volt
+b = 10 // base in mm
+h = 10 // height in mm
+e = 0.75 // efficiency
+u = 10.3 // specific energy in J/mm^3
+v = 10 // weld speed in mm/sec
+printf("\n Example 12.2")
+A  = 1/2*b*h // Area in mm^2
+I = v*u*A/(e*V) // Current in Ampere
+printf("\n Amount of current needed for welding is %d Ampere.",I)
+
diff --git a/3257/CH12/EX12.2/Ex12_2.txt b/3257/CH12/EX12.2/Ex12_2.txt
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+ 
+ Example 12.2
+ Amount of current needed for welding is 343 Ampere. 
+\ No newline at end of file