From df60071cf1d1c18822d34f943ab8f412a8946b69 Mon Sep 17 00:00:00 2001 From: hardythe1 Date: Wed, 3 Jun 2015 15:27:17 +0530 Subject: add books --- .../Chapter23_1.ipynb | 311 +++++++++++++++++++++ 1 file changed, 311 insertions(+) create mode 100755 _A_Textbook_Of_Engineering_Physics/Chapter23_1.ipynb (limited to '_A_Textbook_Of_Engineering_Physics/Chapter23_1.ipynb') diff --git a/_A_Textbook_Of_Engineering_Physics/Chapter23_1.ipynb b/_A_Textbook_Of_Engineering_Physics/Chapter23_1.ipynb new file mode 100755 index 00000000..d7f5b70f --- /dev/null +++ b/_A_Textbook_Of_Engineering_Physics/Chapter23_1.ipynb @@ -0,0 +1,311 @@ +{ + "metadata": { + "name": "", + "signature": "sha256:4021239986e9b103686ab01f7ccbdc5317b1bf2aa2e09bf052e63053a477f649" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Chapter23-Dielectrics" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex1-pg679" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "##Example 23.1\n", + "##calculation of relative permittivity\n", + "\n", + "##given values\n", + "\n", + "E=1000.;##electric field in V/m\n", + "P=4.3*10**-8;##polarization in C/m**2\n", + "e=8.85*10**-12;##permittivity in F/m\n", + "\n", + "\n", + "##calculation\n", + "er=1.+(P/(e*E));\n", + "print'%s %.2f %s'%('relative permittivity of NaCl is ',er,'');\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "relative permittivity of NaCl is 5.86 \n" + ] + } + ], + "prompt_number": 1 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex2-pg675" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "##Example 23.2\n", + "##calculation of electronic polarizability\n", + "\n", + "##given values\n", + "\n", + "e=8.85*10**-12;##permittivity in F/m\n", + "er=1.0024;##relative permittivity at NTP\n", + "N=2.7*10**25.;##atoms per m**3\n", + "\n", + "\n", + "##calculation\n", + "alpha=e*(er-1)/N;\n", + "print'%s %.3e %s'%('electronic polarizability (in F/m^2)is ',alpha,'');\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "electronic polarizability (in F/m^2)is 7.867e-40 \n" + ] + } + ], + "prompt_number": 8 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex3-pg678" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "##Example 23.3\n", + "##calculation of electronic polarizability and relative permittivity\n", + "\n", + "##given values\n", + "\n", + "e=8.85*10**-12.;##permittivity in F/m\n", + "N=9.8*10**26.;##atoms per m**3\n", + "r=.53*10**-10.;##radius in m\n", + "\n", + "\n", + "##calculation\n", + "alpha=4*math.pi*e*r**3;\n", + "print'%s %.3e %s'%('electronic polarizability (in F/m**2)is ',alpha,'');\n", + "er=1+(4*math.pi*N*r**3);\n", + "print'%s %.2f %s'%('relative permittivity is',er,'')\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "electronic polarizability (in F/m**2)is 1.656e-41 \n", + "relative permittivity is 1.00 \n" + ] + } + ], + "prompt_number": 3 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex4-pg681" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "##Example 23.4\n", + "##calculation of electronic polarizability and relative permittivity\n", + "\n", + "##given values\n", + "w=32.;##atomic weight of sulphur \n", + "d=2.08*10**3.;##density in kg/m**3\n", + "NA=6.02*10**26.;##avogadros number\n", + "alpha=3.28*10**-40.;##electronic polarizability in F.m**2\n", + "e=8.854*10**-12.;##permittiviy\n", + "##calculation\n", + "\n", + "n=NA*d/w;\n", + "k=n*alpha/(3.*e);\n", + "er=(1+2*k)/(1.-k);\n", + "print'%s %.2f %s'%('relative permittivity is',er,'')" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "relative permittivity is 3.80 \n" + ] + } + ], + "prompt_number": 4 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex5-pg682" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "##Example 23.5\n", + "##calculation of ionic polarizability\n", + "\n", + "##given values\n", + "n=1.5;##refractive index\n", + "er=6.75;##relative permittivity\n", + "\n", + "##calculation\n", + "Pi=(er-n**2.)*100./(er-1.);\n", + "print'%s %.2f %s'%('percentage ionic polarizability (in %)) is',Pi,'')" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "percentage ionic polarizability (in %)) is 78.26 \n" + ] + } + ], + "prompt_number": 5 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex6-pg685" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "##Example 23.6\n", + "##calculation of frequency and phase difference\n", + "\n", + "##given values\n", + "t=18*10**-6;##relaxation time in s\n", + "\n", + "##calculation\n", + "f=1/(2*math.pi*t);\n", + "print'%s %.2f %s'%('frequency at which real and imaginary part of complx dielectric constant are equal is',f,'');\n", + "alpha=math.atan(1)*180/math.pi;## phase difference between current and voltage( 1 because real and imaginry parts are equal of the dielectric constant)\n", + "print'%s %.2f %s'%('phase diffeerence (in degree) is',alpha,'');" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "frequency at which real and imaginary part of complx dielectric constant are equal is 8841.94 \n", + "phase diffeerence (in degree) is 45.00 " + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n" + ] + } + ], + "prompt_number": 6 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex7-pg692" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "##Example 23.7\n", + "##calculation of frequency\n", + "\n", + "##given values\n", + "t=5.5*10**-3.;##thickness of plate in m\n", + "Y=8*10**10.;##Young's modulus in N/m**2\n", + "d=2.65*10**3.;##density in kg/m**3\n", + "\n", + "\n", + "\n", + "##calculation\n", + "f=math.sqrt(Y/d)/(2.*t);##in Hz\n", + "print'%s %.2f %s'%('frequency of fundamental note(in KHz) is',f/10**3,'');\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "frequency of fundamental note(in KHz) is 499.49 \n" + ] + } + ], + "prompt_number": 7 + } + ], + "metadata": {} + } + ] +} \ No newline at end of file -- cgit