// Scilab code Exa6.2 : : Page-241 (2011) clc; clear; M_0 = 9.10939e-031; // Rest mass of the electron, Kg C = 2.92e+08; // Velocity of the light, metre per sec E = 1.71*1.60218e-013; // Energy of the beta particle, joule e = 1.60218e-019; // Charge of the electron, C R = 0.1; // Radius of the orbit, metre B = M_0*C*(E/(M_0*C^2)+1)*1/(R*e); // Magnetic field perpendicular to the beam of the particle, weber per square metre printf("\nThe magnetic field perpendicular to the beam of the particle = %5.3f Wb/square-metre", B); // Result // The magnetic field perpendicular to the beam of the particle = 0.075 Wb/square-metre