{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#8: Superconducting Materials"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "##Example number 8.2, Page number 8.16"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "critical field is 33.64 *10**3 ampere/m\n"
     ]
    }
   ],
   "source": [
    "#importing modules\n",
    "import math\n",
    "from __future__ import division\n",
    "\n",
    "#Variable declaration\n",
    "H0=64*10**3;    #initial field(ampere/m)\n",
    "T=5;    #temperature(K)\n",
    "Tc=7.26;   #transition temperature(K)\n",
    "\n",
    "#Calculation\n",
    "H=H0*(1-(T/Tc)**2);     #critical field(ampere/m)\n",
    "\n",
    "#Result\n",
    "print \"critical field is\",round(H/10**3,2),\"*10**3 ampere/m\""
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 2",
   "language": "python",
   "name": "python2"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 2
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython2",
   "version": "2.7.9"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 0
}