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//=====================================================================================
//Chapter 16 example 6
clc;clear all;
//varable declaration
l = 2.5; //length of plates in cm
d = 1; //distance between plates in cm
theta = 1; //angular defelecction of electron beam in degrees
Va = 1000; //accelerating voltage in V
//calculations
//tan(theta) = l*Vd/(2*d*Va)
x = tan(((theta*%pi)/180));
Vd =(( 2*d*Va)/(l))*x; //required voltage in V
//result
mprintf("Voltage required across the deflection plates = %3.2f V",Vd);
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