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//Book Name:Fundamentals of Electrical Engineering
//Author:Rajendra Prasad
//Publisher: PHI Learning Private Limited
//Edition:Third ,2014
//Ex4_22.sce.
clc;
clear;
V=2.5; //potential difference of the plates in kv
x=0.25; //distance between two parallel plates in cm
x1=0.02; //airgap in between the parallel plates in cm
x2=0.23; //thickness of fibre sheet in the gap in cm
epsilon_r=5;
//As the eletric displacement is perpendicular to the boundary
//D=D1=D2; , D1=epsilon_not*E1; , D2=epsilon_not*epsilon_r*E2;
//from this E1=5*E2;
//V=V1+V2; V1=x1*E1; V2=x2*E2;
//from this we can find the equation of E2
E2=V/((x1*epsilon_r)+(x2));
E1=5*E2;
printf("\n Electric field strength in air , E1=%2.2f kV/cm \n",E1)
printf("\n Electric field strength in the fibre , E2=%1.3f kV/cm \n",E2)
E=30; //Dielectric strength of air in kV/cm
if (E1>E)
printf("\n The air will break.")
else
printf("\n The air will not break.")
end
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