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+// Exa 3.2
+format('v',7);clc;clear;close;
+// Given data
+B = 8*10^-3;//flux density in Wb/m^2
+N = 300;// number of turns
+l = 15;//length in mm
+r = 30;//radius in mm
+K = 2.5*10^-9;//spring constant in Nm/rad
+J = 10*10^-9;// in kg-m^2
+D = 2*10^-9;// in Nm/rads^-1
+Rg = 80;// in ohm
+A = l*r;// in mm^2
+A = A * 10^-6;// in m^2
+G = N*B*A;// in Nm/A
+i = 1;// in µA
+i = i * 10^-6;// in A
+theta_f = (G*i)/K;// in rad
+r = 1;// in m
+r = r * 10^3;// in mm
+d = 2*theta_f*r;//deflection of galvanometer  in mm
+disp(d,"The deflection of galvanometer in mm is");
+Si = d/i;// in mm/A
+Si = Si * 10^-6;//Current sensitivity in mm/µA
+disp(Si,"Current sensitivity in mm/µA is");