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+// Exa 1.16
+
+clc;
+clear;
+
+// Given
+
+// Refer Fig.1.74
+Rmv = 200; // Voltmeter resistance in Ohms
+Vt = 3; // Terminal voltage(V)
+S = 1; // Sensitivity in mm/microV
+Rmi = 100; // Galvanometer resistance in Ohms
+Deflection = 250; // in mm
+S1 = 5; // sesitivity of second galvanometer in mm/micro Amp
+Ri = 1000; // Internal resistance of 2nd galvanometer
+// Solution
+
+Ig = Deflection/S;
+printf(' Current through the galvanometer = %d micro Amp \n',Ig);
+Rtotal = Rmv+Rmi;
+Vrtotal = Rtotal*Ig*10^-6; // in Volts
+Ek = Vt - Vrtotal;
+printf('The emf of the unknown source = %.3f V \n',Ek);
+printf('1 mm correspponds to 1 micro Amp. Therefore, Resolution = %d micro V/mm \n',Rtotal);
+
+printf('For galvanometer A, 1 mm deflection for 300 mV. So, Sa = 1/300 mm/microV \n');
+Sa = 1/300; // Sensitivity of galvanometer A in mm/micro V
+printf('For galvanometer B, - \n');
+Rbtotal = Ri+Rmv;
+// A 5mm deflcetion is caused by 1200 micro V
+printf('Sb = 5/1200  mm/microV \n'); // mm/microV
+printf('Galvanometer B provides the amplified sensitivity i.e, Since, Sb>Sa \n');