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// Scilab code Ex7.7: Pg:294 (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
R = 0.75; // 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/(e*1e+006); // Final energy of the electrons, MeV
E_av = E*1e+06/N; // Average energy per revolution, eV
printf("\nThe final energy of electron = %5.1f MeV ", E);
printf("\nThe average energy of electron = %3.0f eV ", E_av);
// Result
// The final energy of electron = 112.5 MeV
// The average energy of electron = 353 eV
// The answer is wrong in the textbook
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