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+//Exa 2.20.2

+clc;

+clear;

+close;

+// Given data

+B = 0.48;// in wb/m^2

+R_H = 3.55 * 10^-4;// in m^3/c

+Rho = 0.00912;// in ohm-m

+Sigma = 1/Rho;// in (ohm-m)^-1

+theta_H = atand( Sigma * B * R_H);// in degree

+disp(theta_H,"The hall angle for a hall coefficient in degree is");