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diff --git a/Engineering_Physics_by_S._Mani_Naidu/Chapter9_1.ipynb b/Engineering_Physics_by_S._Mani_Naidu/Chapter9_1.ipynb new file mode 100644 index 00000000..0b33c8c4 --- /dev/null +++ b/Engineering_Physics_by_S._Mani_Naidu/Chapter9_1.ipynb @@ -0,0 +1,305 @@ +{
+ "cells": [
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "#9: Superconductivity"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "##Example number 9.1, Page number 9.22"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 4,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "transition temperature is 11.3 K\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "T=8; #temperature(K)\n",
+ "Hc=1*10**5; #critical field(amp/m)\n",
+ "H0=2*10**5; #critical field(amp/m)\n",
+ "\n",
+ "#Calculation\n",
+ "Tc=T/math.sqrt(1-(Hc/H0)); #transition temperature(K)\n",
+ "\n",
+ "#Result\n",
+ "print \"transition temperature is\",round(Tc,1),\"K\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "##Example number 9.2, Page number 9.22"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 8,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "frequency is 4.1 *10**9 Hz\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "h=6.626*10**-34; #plancks constant\n",
+ "e=1.6*10**-19; \n",
+ "V=8.5*10**-6; #voltage(V)\n",
+ "\n",
+ "#Calculation\n",
+ "new=2*e*V/h; #frequency(Hz)\n",
+ "\n",
+ "#Result\n",
+ "print \"frequency is\",round(new/10**9,1),\"*10**9 Hz\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "##Example number 9.3, Page number 9.22"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 11,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "critical field is 0.02166 Tesla\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "T=2; #temperature(K)\n",
+ "H0=0.0306; #critical field(amp/m)\n",
+ "Tc=3.7; #transition temperature(K)\n",
+ "\n",
+ "#Calculation\n",
+ "Hc=H0*(1-(T/Tc)**2); #critical field(Tesla)\n",
+ "\n",
+ "#Result\n",
+ "print \"critical field is\",round(Hc,5),\"Tesla\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "##Example number 9.4, Page number 9.23"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 14,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "temperature is 7.2 K\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "H0=250*10**3; #critical field(amp/m)\n",
+ "Tc=12; #transition temperature(K)\n",
+ "Hc=200*10**3; #critical field(Tesla)\n",
+ "\n",
+ "#Calculation\n",
+ "T=Tc*math.sqrt(1-(Hc/H0)**2); #temperature(K)\n",
+ "\n",
+ "#Result\n",
+ "print \"temperature is\",round(T,1),\"K\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "##Example number 9.5, Page number 9.23"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 19,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "critical field is 0.0163 Tesla\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "T=2.5; #temperature(K)\n",
+ "H0=0.03; #critical field(amp/m)\n",
+ "Tc=3.7; #transition temperature(K)\n",
+ "\n",
+ "#Calculation\n",
+ "Hc=H0*(1-(T/Tc)**2); #critical field(Tesla)\n",
+ "\n",
+ "#Result\n",
+ "print \"critical field is\",round(Hc,4),\"Tesla\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "##Example number 9.6, Page number 9.23"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 22,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "frequency is 313.96 *10**9 Hz\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "h=6.625*10**-34; #plancks constant\n",
+ "e=1.6*10**-19; \n",
+ "V=650*10**-6; #voltage(V)\n",
+ "\n",
+ "#Calculation\n",
+ "new=2*e*V/h; #frequency(Hz)\n",
+ "\n",
+ "#Result\n",
+ "print \"frequency is\",round(new/10**9,2),\"*10**9 Hz\""
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "##Example number 9.7, Page number 9.24"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 26,
+ "metadata": {
+ "collapsed": false
+ },
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "critical field is 3.365 *10**3 A/m\n"
+ ]
+ }
+ ],
+ "source": [
+ "#importing modules\n",
+ "import math\n",
+ "from __future__ import division\n",
+ "\n",
+ "#Variable declaration\n",
+ "T=5; #temperature(K)\n",
+ "H0=6.5*10**3; #critical field(amp/m)\n",
+ "Tc=7.2; #transition temperature(K)\n",
+ "\n",
+ "#Calculation\n",
+ "Hc=H0*(1-(T/Tc)**2); #critical field(Tesla)\n",
+ "\n",
+ "#Result\n",
+ "print \"critical field is\",round(Hc/10**3,3),\"*10**3 A/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
+}
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