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//chapter 5 example 8
//=============================================================================
clc;
clear;
// Given Data
R = 10; // circumference to pitch ratio
e = 1.6*10^-19; // charge of electron
m = 9.1*10^-31; // mass of electron in Kg
c = 3*10^8; // vel. of EM waves in m/s
// Calculations
Vp = c/R; // axial phase velocity = free space vel*(pitch/circumference)
Va = (Vp^2 * m)/(2*e);
// Output
mprintf('Anode Voltage = %3.2f kV',Va/1000);
disp('In practice,the electron beam velocity is kept slightly greater than the axial phase velocity of RF signal')
//------------------------------------------------------------------------------
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