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diff --git a/1664/CH11/EX11.1/Ex11_1.sce b/1664/CH11/EX11.1/Ex11_1.sce
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+

+//Example NO.11.1

+//Page No.335

+//To find dielectric constant of the material 

+clc;clear;

+C = (10^-9);//Capacitance -[F].

+d = (2*10^-3);//Distance of separation -[m].

+E0 = (8.854*10^-12);

+A = (10^-4);//Area of capacitor -[m^2]

+Er = ((C*d)/(E0*A));//Dielectric constant.

+printf("\nThe dielectric constant of the material is %.2f",Er);

diff --git a/1664/CH11/EX11.2/Ex11_2.sce b/1664/CH11/EX11.2/Ex11_2.sce
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+

+//Example NO.11.2

+//Page No.335

+//To find electronic polarizability of He gas.

+clc;clear;

+E0 = (8.854*10^-12);

+Er = (1.0000684);//Dielectric constant of He-gas

+N = (2.7*10^25);//Concentration of dipoles -[per m^3].

+P = (E0*(Er-1));

+a = (P/(N));

+a = (P/(2.7*10^25));//Electronic polarizability.

+printf("\nElectronic polarizability of He gas is %3.3e F m^2",a);

diff --git a/1664/CH11/EX11.3/Ex11_3.sce b/1664/CH11/EX11.3/Ex11_3.sce
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+

+

+//Example NO.11.3

+//Page No.336

+clc;clear;

+E0 = (8.854*10^-12);

+Er = (6);//Dielectric constant.

+E = 100;//Electric field intensity -[V/m].

+P = (E0*(Er-1)*E);//Polarization.

+printf("\nPolarization produced in a dielectric medium is %3.3e C/m^2",P);

diff --git a/1664/CH11/EX11.4/Ex11_4.sce b/1664/CH11/EX11.4/Ex11_4.sce
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+

+

+//Example NO.11.4

+//Page No.336

+clc;clear;

+E0 = (8.854*10^-12);

+R = (0.158*10^-9);//Radius of neon -[m].

+a = (4*%pi*E0*R^3);//Electronic polarizability.

+printf("\nElectronic polarizability of neon is %3.3e F m^2",a);

diff --git a/1664/CH11/EX11.5/Ex11_5.sce b/1664/CH11/EX11.5/Ex11_5.sce
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+

+//Example NO.11.5

+//Page No.336

+clc;clear;

+E0 = (8.854*10^-12);// [C^2/N.m^2].

+Er = 6;//Dielectric constant.

+C = (0.02*10^-6);//Capacitance -[F].

+d = (0.002*10^-2);//Thickness of mica -[m].

+A = ((C*d)/(E0*Er));//Area of the metal sheet.

+printf("\nArea of the metal sheet required is %3.3e m^2",A);

diff --git a/1664/CH11/EX11.6/Ex11_6.sce b/1664/CH11/EX11.6/Ex11_6.sce
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+

+//Example NO.11.6

+//Page No.337

+clc;clear;

+E0 = (8.854*10^-12);

+P = (4.3*10^-8);//polarization -[C/m^2].

+E = 1000;//Electric field -[V/m].

+Er = ((P/(E0*E))+1);//Relative permittivity of the crystal.

+printf("\nRelative permittivity of the crystal is %.3f",Er);

+

+//Last statement of this numerical is wrong in the textbook.Here we have to find relative permittivity of the crystal and not the dielectric constant.//

diff --git a/1664/CH11/EX11.7/Ex11_7.sce b/1664/CH11/EX11.7/Ex11_7.sce
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+

+//Example NO.11.7

+//Page No.337

+clc;clear;

+E0 = (8.854*10^-12);

+x = (4.94);//Relative suceptibility.

+N = (10^28);//Number of dipoles per unit volume [per m^3].

+a = ((E0*x)/N);//Polarizability of the material

+printf("\nPolarizability of the material is %3.3e F m^-2",a);