initial commit / add all books

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+//Page Number:

+//Example 5.18

+clc;

+//Given

+f=9D+9;//hz

+v0=300;//V

+vr=125;//V

+bet=0.9;

+c=3D+8; //m/s

+w=2*%pi*f;

+br=2.18;//mm

+e0=8.854D-12;

+ebym=1.7D+11;

+

+//From sin(theta)/theta table, thetag is found out to be

+thetag=0.25*%pi; 

+d=(2*thetag*0.593D+6*sqrt(v0))/w;

+disp('mm',d*1000,'Distance:');

+

+//Axial cavity length

+l=c/(10*f);//m

+disp('mm',l*1000,'Axial cavity length:');

+

+//Ratio of outer to inner conductor

+a=1.5*br;

+a1=a/1000;

+x=d/(w*e0*a1*a1*60*tan((w*l)/c));

+bbya=exp(x);

+disp(bbya,'Ratio of outer to inner conductor:');

+

+//radii of outer and inner conductor

+disp('mm',a,'Radius of outer conductor:');

+

+b=1.52*a;//mm

+disp('mm',b,'Radius of inner conductor:');

+

+//Repeller spacing

+lopt=sqrt(ebym*(19/4)^2*(v0+vr)^2/(8*f^2*v0));//m

+disp('mm',lopt*1000,'Repeller spacing:');

+

+//Answer for radii of outer and inner conductor have wrong calculations in book

+//Also ratio of outer to inner conductor is also calculated wrong