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+clc
+// Fundamental of Electric Circuit 
+// Charles K. Alexander and  Matthew N.O Sadiku  
+// Mc Graw Hill of New York 
+// 5th Edition 
+
+// Part 1    :  DC Circuits 
+// Chapter 4 :  Circuit Theorems
+// Example 4 - 18
+
+clear; clc; close; 
+//
+// Given data
+Vs  =  220.0000; 
+R1  = 1000.0000;   
+R3  = 3000.0000;  
+R4  =  400.0000; 
+R6  =  600.0000;  
+Rm  =   40.0000;  
+//
+// Calculations Rp1
+Rp1 = (R1*R3)/(R1 + R3);             
+// Calculations Rp2 
+Rp2 = (R4*R6)/(R4 + R6);             
+// Calculations Rs1  
+Rth = Rp1 + Rp2                    
+// Calculation Vth 
+V1  = (R1/(R1 + R3))*Vs;            
+V2  = (R6/(R4+R6))*Vs;              
+Vth = V1 -  V2;                      
+// Calculation IG
+IG = Vth/(Rth + Rm)                 
+//
+// Display the result
+disp("Example 4-18 Solution : ");
+printf(" \n IG  = Current Through The Galvanometer      = %.3f mA",IG*1000)
+
+
+