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author | prashantsinalkar | 2020-04-14 10:19:27 +0530 |
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committer | prashantsinalkar | 2020-04-14 10:23:54 +0530 |
commit | 476705d693c7122d34f9b049fa79b935405c9b49 (patch) | |
tree | 2b1df110e24ff0174830d7f825f43ff1c134d1af /Engineering_Physics_by_K_Rajagopal/13-Magnetic_Materials.ipynb | |
parent | abb52650288b08a680335531742a7126ad0fb846 (diff) | |
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diff --git a/Engineering_Physics_by_K_Rajagopal/13-Magnetic_Materials.ipynb b/Engineering_Physics_by_K_Rajagopal/13-Magnetic_Materials.ipynb new file mode 100644 index 0000000..878df75 --- /dev/null +++ b/Engineering_Physics_by_K_Rajagopal/13-Magnetic_Materials.ipynb @@ -0,0 +1,167 @@ +{ +"cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 13: Magnetic Materials" + ] + }, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 13.1: example_1.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"clc;\n", +"clear all;\n", +"u0=4*%pi*1e-7;\n", +"H=1e7;//magnetic field strength\n", +"X=(-0.9)*1e-6;//magnetic suseptiblity\n", +"M=X*H;//magnetization of material\n", +"disp('A/m',M,'magnetization of material is=');\n", +"B=u0*H;//magnetic flux density\n", +"disp('Wb/m^2',B,'magnetic flux density is=');" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 13.2: example_2.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"clc;\n", +"clear all;\n", +"X=2*1e-3;//magnetic suseptibility of material at room temp.\n", +"H=1e3;//magnetic field intrnsity of piece of ferricoxide\n", +"u0=4*%pi*1e-7;\n", +"M=X*H;//magnetization\n", +"disp('A/m',M,'magnetization is=');\n", +"ur=X+1;//relative permiability\n", +"B=u0*ur*H;//magnetic flux density\n", +"disp('W/m^2',B,'magnetic flux density is=');" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 13.3: example_3.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"clc;\n", +"clear all;\n", +"M=2.74*1e8;//magnetization per atom in A/m\n", +"a=2.66*1e-10;//elementry cube edge\n", +"n=2;//Iron in BCC\n", +"B=(M*a*a*a)/2;//Am^2 per atom\n", +"disp('Am^2',B,'Am^2 per atom=');\n", +"//interms of bohr megneton\n", +"b=B/(9.27*1e-24);//dipole moment\n", +"disp('bohr megnaton/atom',b,'dipole moment is=');\n", +"//slight variation in ans than book.. checked in calculator also" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 13.4: example_4.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"clc;\n", +"clear all;\n", +"u0=4*%pi*1e-7;\n", +"b=9.27*1e-24;\n", +"H=1e3;//homogeneous field\n", +"k=1.38*1e-23;//boltzmann constant\n", +"T=303;//temp in kelvin\n", +"T1 = T - 273; // Temp In Degree\n", +"x=u0*b*H/(k*T);//avg magnetic moment\n", +"disp('bohr magneton/spin',x,'avg magnetic moment is=');" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 13.5: example_5.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"clc;\n", +"clear all;\n", +"ur=16;//relative permiability\n", +"I=3300;//intensity of magnetization\n", +"H=I/(ur-1);//strength of the field\n", +"disp('A/m',H,'strength of the field');" + ] + } +], +"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 +} |