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// Scilab code Ex7.8: Pg:295 (2008)
clc;clear;
c = 3e+08; // Velocity of light, m/s
e = 1.6e-019; // Charge of an electron, coulomb
B = 0.5; // Maximum magnetic field at the electron orbit, Weber per meter square
D = 1.5; // Diameter of the orbit, meter
R = D/2; // Radius of the orbit, meter
omega = 50; // frequency of alternating current through electromagnetic coils, Hz
N = c/(4*2*%pi*omega*R); // Number of revolutions
E = B*e*R*c/1.6e-013; // Final energy of the electrons, MeV
E_av = (E*1e+06)/N; // Average energy per revolution, eV
printf("\nThe energy per revolution of the electron = %4.1f eV ", E);
printf("\nThe average energy of electron = %3.0f eV ", E_av);
// Result
// The energy per revolution of the electron = 112.5 eV
// The average energy of electron = 353 eV
// The answer is given wrong in the textbook
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