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+// Exa 11.3
+
+clc;
+clear all;
+	
+// Given data
+
+// Refering Fig. 11.9(page no.311) - slightly unbalanced Wheatstone bridge
+R= 700; // in Ohms
+Dell_R= 35; // in Ohms
+E=10; // Supplied voltage(V)
+Rg=125;//Internal resistance of galvanometer(Ohms)
+    
+// Solution
+
+Eth= E*Dell_R/(4*R) ; // Thevenin's equivalent voltage(V)
+Rth=R; // Thevenin's equivalent resistance(Ohms)
+Ig= Eth/(Rth+Rg); // Current through galvanometer(Amp)
+printf(' The current through galvanometer by the approximation method is %.1f micro Amp \n',Ig*10^6);