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+clc;
+clear all;
+d = 0.6e-3; // Diameter in meters
+r = d/2; // Radius of wire in meter
+deltal = 1e-3; // Length of elongation produced in meters
+m = 0.16*1e-3; // Mass in Rg
+angt = 1; // Angular twist in radian
+T = 10e-4; //Torque in Newton
+g = 9.8; // Gravitational Constant
+n = 2.34e9; // Rigidity modulus in mewton per square meters
+Y = (m*g)/(%pi*r*r*deltal);
+disp('',Y);
+sigma = (Y/(2*n))-1
+disp(' ',sigma,'The poisssons ratio is')
+// Wrong answer printed in textbook... Checked in calculator also...