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diff --git a/Principles_of_Physics_by_F.J.Bueche/Chapter18.ipynb b/Principles_of_Physics_by_F.J.Bueche/Chapter18.ipynb new file mode 100644 index 00000000..30da03c6 --- /dev/null +++ b/Principles_of_Physics_by_F.J.Bueche/Chapter18.ipynb @@ -0,0 +1,211 @@ +{ + "cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 18:Magnetism" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Ex18.1:pg-901" + ] + }, + { + "cell_type": "code", + "execution_count": 1, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "The force on the wire is F= 0.000958363 N\n" + ] + } + ], + "source": [ + " #Example 18_1\n", + "import math \n", + " \n", + "#To find the force on the wire\n", + "b=2*10**-4 #Units in T\n", + "i=20 #Units in A\n", + "l=0.3 #Units in meters\n", + "theta=53 #Units in degrees\n", + "thetaa=math.sin(theta*math.pi/180) #Units in Radians \n", + "f=b*i*l*thetaa #Units in N\n", + "print \"The force on the wire is F=\",round(f,9),\" N\"\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Ex18.2:pg-902" + ] + }, + { + "cell_type": "code", + "execution_count": 2, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "The magnitude of magnetic field is B= 0.2609 T\n" + ] + } + ], + "source": [ + " #Example 18_2\n", + " \n", + " \n", + " #To find the magnitude of the magnetic field\n", + "m=1.67*10**-27 #Units in Kg\n", + "v=10**6 #Units in meters/sec\n", + "r=4*10**-2 #Units in Meters\n", + "q=1.6*10**-19 #Units in C or eV\n", + "b=(m*v)/(r*q) #Units in T\n", + "print \"The magnitude of magnetic field is B=\",round(b,4),\" T\"\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Ex18.3:pg-903" + ] + }, + { + "cell_type": "code", + "execution_count": 3, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "The magnetic field exerts a force of q*v*B upwards on the particle.\n", + "The particle doesnot deflect because the two forces are equal\n", + "Hence v=(E/B)\n", + "A particle with this speed will pass through the region of the crossfields and undeflected\n" + ] + } + ], + "source": [ + " #Example 18_3\n", + " \n", + " \n", + "#To show that the particles does not deflect from its straight line path\n", + "print \"The magnetic field exerts a force of q*v*B upwards on the particle.\\nThe particle doesnot deflect because the two forces are equal\\nHence v=(E/B)\\nA particle with this speed will pass through the region of the crossfields and undeflected\"\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Ex18.4:pg-903" + ] + }, + { + "cell_type": "code", + "execution_count": 4, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "The value of B is= 1.2 G\n" + ] + } + ], + "source": [ + " #Example 18_4\n", + " \n", + " \n", + "#To calculate the value of B at a radial distance of 5 cm\n", + "u=4*math.pi*10**-7 #Units in T m/A\n", + "i=30 #Units in A\n", + "r=0.05 #Units in Meters\n", + "b=(u*i)/(2*math.pi*r) #Units in T\n", + "b=b*10**4 #Units in G\n", + "print \"The value of B is=\",round(b,2),\" G\"\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Ex18.5:pg-904" + ] + }, + { + "cell_type": "code", + "execution_count": 5, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "The magnetic moment of Hydrogen atom is=\n", + "9.319e-24\n", + "A meters**2\n" + ] + } + ], + "source": [ + " #Example 18_5\n", + " \n", + " \n", + "#To find the magnetic moment of hydrogen atom\n", + "r=0.53*10**-10 #Units in meters\n", + "a=math.pi*r**2 #Units in meters**2\n", + "q=1.6*10**-19 #Units in C\n", + "f=6.6*10**15 #Units in sec**-1\n", + "i=q*f #Units in A\n", + "u=i*a #Units in A meter**2\n", + "print \"The magnetic moment of Hydrogen atom is=\"\n", + "print round(u,27)\n", + "print \"A meters**2\"\n" + ] + } + ], + "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": "2.7.11" + } + }, + "nbformat": 4, + "nbformat_minor": 0 +} |