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+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 11: Dielectric materials"
+	   ]
+	},
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 11.1: Dielectric_constant.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"\n",
+"//Example NO.11.1\n",
+"//Page No.335\n",
+"//To find dielectric constant of the material \n",
+"clc;clear;\n",
+"C = (10^-9);//Capacitance -[F].\n",
+"d = (2*10^-3);//Distance of separation -[m].\n",
+"E0 = (8.854*10^-12);\n",
+"A = (10^-4);//Area of capacitor -[m^2]\n",
+"Er = ((C*d)/(E0*A));//Dielectric constant.\n",
+"printf('\nThe dielectric constant of the material is %.2f',Er);"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 11.2: Electronic_polarizability.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"\n",
+"//Example NO.11.2\n",
+"//Page No.335\n",
+"//To find electronic polarizability of He gas.\n",
+"clc;clear;\n",
+"E0 = (8.854*10^-12);\n",
+"Er = (1.0000684);//Dielectric constant of He-gas\n",
+"N = (2.7*10^25);//Concentration of dipoles -[per m^3].\n",
+"P = (E0*(Er-1));\n",
+"a = (P/(N));\n",
+"a = (P/(2.7*10^25));//Electronic polarizability.\n",
+"printf('\nElectronic polarizability of He gas is %3.3e F m^2',a);"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 11.3: Polarizatio.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"\n",
+"\n",
+"//Example NO.11.3\n",
+"//Page No.336\n",
+"clc;clear;\n",
+"E0 = (8.854*10^-12);\n",
+"Er = (6);//Dielectric constant.\n",
+"E = 100;//Electric field intensity -[V/m].\n",
+"P = (E0*(Er-1)*E);//Polarization.\n",
+"printf('\nPolarization produced in a dielectric medium is %3.3e C/m^2',P);"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 11.4: Electronic_polarizability.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"\n",
+"\n",
+"//Example NO.11.4\n",
+"//Page No.336\n",
+"clc;clear;\n",
+"E0 = (8.854*10^-12);\n",
+"R = (0.158*10^-9);//Radius of neon -[m].\n",
+"a = (4*%pi*E0*R^3);//Electronic polarizability.\n",
+"printf('\nElectronic polarizability of neon is %3.3e F m^2',a);"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 11.5: Area_of_metal_sheet_required.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"\n",
+"//Example NO.11.5\n",
+"//Page No.336\n",
+"clc;clear;\n",
+"E0 = (8.854*10^-12);// [C^2/N.m^2].\n",
+"Er = 6;//Dielectric constant.\n",
+"C = (0.02*10^-6);//Capacitance -[F].\n",
+"d = (0.002*10^-2);//Thickness of mica -[m].\n",
+"A = ((C*d)/(E0*Er));//Area of the metal sheet.\n",
+"printf('\nArea of the metal sheet required is %3.3e m^2',A);"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 11.6: Relative_permittivity_of_the_crystal.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"\n",
+"//Example NO.11.6\n",
+"//Page No.337\n",
+"clc;clear;\n",
+"E0 = (8.854*10^-12);\n",
+"P = (4.3*10^-8);//polarization -[C/m^2].\n",
+"E = 1000;//Electric field -[V/m].\n",
+"Er = ((P/(E0*E))+1);//Relative permittivity of the crystal.\n",
+"printf('\nRelative permittivity of the crystal is %.3f',Er);\n",
+"\n",
+"//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.//"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 11.7: Polarizability_of_the_material.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"\n",
+"//Example NO.11.7\n",
+"//Page No.337\n",
+"clc;clear;\n",
+"E0 = (8.854*10^-12);\n",
+"x = (4.94);//Relative suceptibility.\n",
+"N = (10^28);//Number of dipoles per unit volume [per m^3].\n",
+"a = ((E0*x)/N);//Polarizability of the material\n",
+"printf('\nPolarizability of the material is %3.3e F m^-2',a);"
+   ]
+   }
+],
+"metadata": {
+		  "kernelspec": {
+		   "display_name": "Scilab",
+		   "language": "scilab",
+		   "name": "scilab"
+		  },
+		  "language_info": {
+		   "file_extension": ".sce",
+		   "help_links": [
+			{
+			 "text": "MetaKernel Magics",
+			 "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
+			}
+		   ],
+		   "mimetype": "text/x-octave",
+		   "name": "scilab",
+		   "version": "0.7.1"
+		  }
+		 },
+		 "nbformat": 4,
+		 "nbformat_minor": 0
+}