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// Additional solved numerical questions , Example(set 3) 14 , pg 358
Er1=1.0000684 //Dielectric constant (for sum 14_a_2)
N=2.7*10^25 //(in atoms/m^3)
E0=8.85*10^-12 //permittivity of free space (in F/m)
Er2=6 //dielectric constant (for sum 14_a_3)
E=100 //electric field intensity (in V/m) (for sum 14_a_3)
A=200*10^-4 //area (in m^2)
Er3=3.7 //dielectric constant (for sum 14_b_2)
d=10^-3 //thickness (in m)
V=300 //electric potential (in V)
Alpha_e=(E0*(Er1-1))/N //electronic polarization
R=(Alpha_e/(4*%pi*E0))^(1/3) //radius of atom
P=E0*(Er2-1)*E //polarization
C=(E0*Er3*A)/d //capacitance
E1=V/d //electric flux density
printf("Electronic polarization (in F*m^2)")
disp(Alpha_e)
printf("Radius of He atom(in m)")
disp(R)
printf("polarization(in C/m^2)")
disp(P)
printf("capacitance(in F)")
disp(C)
printf("Electric flux density (in V/m)")
disp(E1)
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