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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter 32: Magnetism of Matter Maxwell Equation"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 32.1: Sample_Problem_1.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"//Given that\n",
"T = 300 //in K\n",
"B = 1.5 //in T\n",
"ub = 9.27*10^-24 //in J/T\n",
"mu = 1.0*ub\n",
"K = 1.38*10^-23 //in J/K\n",
"e = 1.6*10^-19 //in coulomb\n",
"\n",
"//Sample Problem 32-1\n",
"printf('**Sample Problem 32-1**\n')\n",
"K = 3/2*K*T\n",
"deltaU = 2*ub*B\n",
"printf('The average translation kinetic energy of the atoms is %1.2eeV\n', K/e)\n",
"printf('The difference between the energy of the two arrangement is %1.2eeV', deltaU/e)"
]
}
,
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 32.2: Sample_Problem_2.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"//Given that\n",
"density = 7900 //in kg/m^3\n",
"L = 3*10^-2 //in meter\n",
"w = 1*10^-3 //in meter\n",
"t = 0.50*10^-3 //in meter\n",
"MFe = 2.1*10^-23 //in J/T\n",
"f = 10/100\n",
"M = 55.847*10^-3 //in kg/mol\n",
"Na = 6.023*10^23 //in /mol\n",
"\n",
"//Sample Problem 32-2\n",
"printf('**Sample Problem 32-2**\n')\n",
"N = density*L*w*t/M * Na\n",
"MD = N*f*MFe\n",
"printf('The needles magnetic dipole moment is %1.2eJ/T', MD)"
]
}
,
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 32.3: Sample_Problem_3.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"//Given that\n",
"r = 11.0*10^-3 //in meter\n",
"R = 5*r\n",
"Edot = 1.50*10^12 //in V/m.s\n",
"uo = 4*%pi*10^-7\n",
"Eo = 8.85*10^-12 //in C^2/N.m^2\n",
"\n",
"//Sample Problem 32-3\n",
"printf('**Sample Problem 32-3**\n')\n",
"//for r=R/5\n",
"B = uo*Eo*R^2/(2*r)*Edot\n",
"printf('The magnetic field is at r=R/5 is equal to %1.2eT', B)"
]
}
],
"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
}
|
