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| author | hardythe1 | 2015-06-03 15:27:17 +0530 |
|---|---|---|
| committer | hardythe1 | 2015-06-03 15:27:17 +0530 |
| commit | 47d7279a724246ef7aa0f5359cf417992ed04449 (patch) | |
| tree | c613e5e4813d846d24d67f46507a6a69d1a42d87 /Materials_Science_and_Engineering/Chapter17.ipynb | |
| parent | 435840cef00c596d9e608f9eb2d96f522ea8505a (diff) | |
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| -rwxr-xr-x | Materials_Science_and_Engineering/Chapter17.ipynb | 110 |
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diff --git a/Materials_Science_and_Engineering/Chapter17.ipynb b/Materials_Science_and_Engineering/Chapter17.ipynb new file mode 100755 index 00000000..5d5a0518 --- /dev/null +++ b/Materials_Science_and_Engineering/Chapter17.ipynb @@ -0,0 +1,110 @@ +{
+ "metadata": {
+ "name": ""
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 17 : Dielectirc Materials"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 17.1, Page No 414"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#initialisation of variables\n",
+ "l= 10.0 # length of capacitor in mm\n",
+ "b = 10.0 # width of capacitor in mm\n",
+ "d = 2.0\t\t # distance of separation in mm\n",
+ "c = 1e-9 \t# capacitance in farad\n",
+ "epsilon_0 = 8.85e-12 # permittivity of free space\n",
+ "\n",
+ "#Calculations\n",
+ "epsilon_r = c*d*1e-3/(epsilon_0*l*1e-3*b*1e-3)\n",
+ "\n",
+ "#Calculations\n",
+ "print(\" Relative dielectric constant is %d\" %epsilon_r)\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Relative dielectric constant is 2259\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 17.2, Page No 421"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#initialisation of variables\n",
+ "Ti_shift= 0.06 \t\t# shift of TI ion in angstrom\n",
+ "O_shift = 0.06 \t\t# shift of oxygen ion of side face in angstrom\n",
+ "o_shift = 0.08 \t\t#shift of oxygen ion of top and bottom faces in angstrom\n",
+ "O_charge = 2.0 \t# unit charge on oxygen ion of side face\n",
+ "o_charge = 2.0\t\t # unit charge on oxygen ion of top and bottom faces\n",
+ "Ti_charge = 4.0\t # unit charge on titanium ion \n",
+ "n_O = 2.0\t\t\t # number of oxygen ion of side face\n",
+ "n_o = 1.0\t\t\t # number of oxygen ion of top and bottom face\n",
+ "n_Ti = 1.0\t\t\t # number of titanium ion \n",
+ "e = 1.6e-19 \t\t# amount of one unit charge in coulomb\n",
+ "\n",
+ "#Calculations\n",
+ "p_Ti = n_Ti*Ti_charge *e*Ti_shift*1e-10\n",
+ "p_O = n_O*O_charge*e*O_shift*1e-10\n",
+ "p_o = n_o*o_charge*e*o_shift*1e-10\n",
+ "Total = p_Ti+p_O+p_o\n",
+ "P = Total/(4.03*3.98**2*1e-30)\n",
+ "\n",
+ "#Results\n",
+ "print(\"Polarization of BaTiO3 crystal is %.2f Cm^-2 \" %P)\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Polarization of BaTiO3 crystal is 0.16 Cm^-2 \n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
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