From 64d949698432e05f2a372d9edc859c5b9df1f438 Mon Sep 17 00:00:00 2001 From: kinitrupti Date: Fri, 12 May 2017 18:40:35 +0530 Subject: Revised list of TBCs --- .../Chapter22.ipynb | 141 +++++++++++++++++++++ 1 file changed, 141 insertions(+) create mode 100755 backup/A_Textbook_Of_Engineering_Physics_version_backup/Chapter22.ipynb (limited to 'backup/A_Textbook_Of_Engineering_Physics_version_backup/Chapter22.ipynb') diff --git a/backup/A_Textbook_Of_Engineering_Physics_version_backup/Chapter22.ipynb b/backup/A_Textbook_Of_Engineering_Physics_version_backup/Chapter22.ipynb new file mode 100755 index 00000000..86088884 --- /dev/null +++ b/backup/A_Textbook_Of_Engineering_Physics_version_backup/Chapter22.ipynb @@ -0,0 +1,141 @@ +{ + "metadata": { + "name": "", + "signature": "sha256:29de63e7ef1a8622d7d2e459bd1b9274805adbb7b74a608deb83d9b4c0dd3ef4" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Chapter22-Superconductivity" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex1-pg646" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "##Example 22.1\n", + "##calculation of magnetic field\n", + "\n", + "##given values\n", + "\n", + "Tc=7.2;##transition temp in K\n", + "T=5.;##temp in K\n", + "Hc=3.3*10**4;##magnetic field at T in A/m\n", + "\n", + "\n", + "##calculation\n", + "Hc0=Hc/(1-(T**2/Tc**2));\n", + "print'%s %.2f %s'%('max value of H at 0K (in A/m) is ',Hc0,'');\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "max value of H at 0K (in A/m) is 63737.70 \n" + ] + } + ], + "prompt_number": 1 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex2-pg646" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "##Example 22.2\n", + "##calculation of transition temperature\n", + "\n", + "##given values\n", + "\n", + "T=8.;##temp in K\n", + "Hc=1*10**5.;##critical magnetic field at T in A/m\n", + "Hc0=2*10**5.;##magnetic field at 0 K in A/m\n", + "\n", + "##calculation\n", + "Tc=T/(math.sqrt(1.-Hc/Hc0));\n", + "print'%s %.2f %s'%('transition temp in K is',Tc,'');\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "transition temp in K is 11.31 \n" + ] + } + ], + "prompt_number": 3 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Ex3-pg647" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "import math\n", + "##Example 22.3\n", + "##calculation of temp at which there is max critical field\n", + "\n", + "##given values\n", + "\n", + "Tc=7.26;##critical temp in K\n", + "Hc=8*10**5.;##max critical magnetic field at T in A/m\n", + "H=4*10**4.;## subjected magnetic field at in A/m\n", + "\n", + "##calculation\n", + "T=Tc*(math.sqrt(1.-H/Hc));\n", + "print'%s %.2f %s'%('max temp for superconductivity in K is',T,'');\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "max temp for superconductivity in K is 7.08 \n" + ] + } + ], + "prompt_number": 4 + } + ], + "metadata": {} + } + ] +} \ No newline at end of file -- cgit