diff options
| author | hardythe1 | 2015-04-07 15:58:05 +0530 |
|---|---|---|
| committer | hardythe1 | 2015-04-07 15:58:05 +0530 |
| commit | 92cca121f959c6616e3da431c1e2d23c4fa5e886 (patch) | |
| tree | 205e68d0ce598ac5caca7de839a2934d746cce86 /Modern_Physics_By_G.Aruldas/Chapter14_2.ipynb | |
| parent | b14c13fcc6bb6d01c468805d612acb353ec168ac (diff) | |
| download | Python-Textbook-Companions-92cca121f959c6616e3da431c1e2d23c4fa5e886.tar.gz Python-Textbook-Companions-92cca121f959c6616e3da431c1e2d23c4fa5e886.tar.bz2 Python-Textbook-Companions-92cca121f959c6616e3da431c1e2d23c4fa5e886.zip | |
added books
Diffstat (limited to 'Modern_Physics_By_G.Aruldas/Chapter14_2.ipynb')
| -rwxr-xr-x | Modern_Physics_By_G.Aruldas/Chapter14_2.ipynb | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/Modern_Physics_By_G.Aruldas/Chapter14_2.ipynb b/Modern_Physics_By_G.Aruldas/Chapter14_2.ipynb new file mode 100755 index 00000000..b2beeab9 --- /dev/null +++ b/Modern_Physics_By_G.Aruldas/Chapter14_2.ipynb @@ -0,0 +1,107 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:f383b09bed78232b6f6bef91df71b6fd8febd00a3f89287a33c756d53748eb03"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "14: Superconductivity"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example number 14.1, Page number 272"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "Bc0=0.0305; #critical field(T)\n",
+ "T=2; #temperature(K)\n",
+ "Tc=3.722; #critical temperature(K)\n",
+ "r=2*10**-3; #diameter(m)\n",
+ "mew0=4*math.pi*10**-7; #magnetic permeability\n",
+ "\n",
+ "#Calculation\n",
+ "BcT=Bc0*(1-(T/Tc)**2); #critical field(T)\n",
+ "Ic=2*math.pi*r*BcT/mew0; #current(A)\n",
+ "\n",
+ "#Result\n",
+ "print \"current is\",round(Ic,1),\"A\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "current is 216.9 A\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example number 14.2, Page number 274"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "lamda0=37; #london penetration depth(nm)\n",
+ "T=5.2; #temperature(K)\n",
+ "Tc=7.193; #critical temperature(K)\n",
+ "\n",
+ "#Calculation\n",
+ "a=1-(T/Tc)**4;\n",
+ "lamdaT=lamda0*(a**(-1/2)); #penetration depth of lead(nm)\n",
+ "\n",
+ "#Result\n",
+ "print \"penetration depth of lead is\",round(lamdaT,3),\"nm\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "penetration depth of lead is 43.398 nm\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file |