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diff --git a/backup/Principles_of_Physics_by_F.J.Bueche_version_backup/Chapter19.ipynb b/backup/Principles_of_Physics_by_F.J.Bueche_version_backup/Chapter19.ipynb new file mode 100755 index 00000000..b47005ea --- /dev/null +++ b/backup/Principles_of_Physics_by_F.J.Bueche_version_backup/Chapter19.ipynb @@ -0,0 +1,237 @@ +{ + "cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 19:Electromagnetic Induction" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Ex19.1:pg-938" + ] + }, + { + "cell_type": "code", + "execution_count": 0, + "metadata": { + "collapsed": false + }, + "outputs": [], + "source": [ + " #Example 19_1\n", + " \n", + " \n", + " #To find the flux in the room\n", + "l=4 #Units in meters\n", + "b=0.8 #Units in meters\n", + "theta=20 #Units in degrees\n", + "a=l*b #Units in meters**2\n", + "b=4*10**-5 #Units in T\n", + "thetaa=math.cos(theta*math.pi/180) #Units in radians\n", + "phi=b*thetaa*a #Units in T meters**2\n", + "print \"The flux in the room is Phi=\",round( ,5),\" T meters**2\",phi)\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Ex19.2:pg-939" + ] + }, + { + "cell_type": "code", + "execution_count": 0, + "metadata": { + "collapsed": false + }, + "outputs": [], + "source": [ + " #Example 19_2\n", + " \n", + " \n", + " #To find how large is the average EMF induced\n", + "b=0.5 #Units in T\n", + "a=4*10**-4 #Units in meters**2\n", + "phi2=b*a #Units in Wb\n", + "phi1=0 #Units in Wb\n", + "deltaPHI=phi2-phi1 #Units in Wb\n", + "n=100 #Units in Constant\n", + "deltaT=2*10**-2 #Units in sec\n", + "emf=(n*deltaPHI)/deltaT #Units in V\n", + "print \"The average emf Induced is emf=\",round( ),\" V\",emf)\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Ex19.3:pg-939" + ] + }, + { + "cell_type": "code", + "execution_count": 0, + "metadata": { + "collapsed": false + }, + "outputs": [], + "source": [ + " #Example 19_3\n", + " \n", + " \n", + " #To findout how large an emf is generated\n", + "m=0.5 #Units in H\n", + "i=1 #Units in A\n", + "t=0.01 #Units in sec\n", + "emf=m*(i/t) #Units in V\n", + "print \"The emf generated is emf=\",round( ),\" V\",emf)\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Ex19.4:pg-939" + ] + }, + { + "cell_type": "code", + "execution_count": 0, + "metadata": { + "collapsed": false + }, + "outputs": [], + "source": [ + " #Example 19_4\n", + " \n", + " \n", + " #To Calculate the value of selfinductance\n", + "print \"The Self Inductance is L=Uo*n**2*D*A\")\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Ex19.5:pg-939" + ] + }, + { + "cell_type": "code", + "execution_count": 0, + "metadata": { + "collapsed": false + }, + "outputs": [], + "source": [ + " #Example 19_5\n", + " \n", + " \n", + " #To find the time constant of the circuit and the final energy stored\n", + "l=0.5 #Units in H\n", + "r1=2 #Units in Ohms\n", + "r2=4 #Units in Ohms\n", + "r=r1+r2 #Units in Ohms\n", + "l_r=l/r #Units in sec\n", + "i=2 #Units in A\n", + "ene=0.5*l*i**2\n", + "print \"The time constant is L/R=\",round( ,4),\" Sec\\n The energy stored is=\",round( ),\" J\",l_r,ene)\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Ex19.6:pg-940" + ] + }, + { + "cell_type": "code", + "execution_count": 2, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "The emf induced in the rod is emf= 0.000542 V\n" + ] + } + ], + "source": [ + " #Example 19_6\n", + "import math \n", + "#To find the emf induced in the rod\n", + "b=0.6*10**-4 #Units in T\n", + "v=3 #Units in meters/sec\n", + "d=5 #Units in meters\n", + "theta=53 #Units in degrees\n", + "thetaa=math.cos(theta*math.pi/180) #Units in radians\n", + "emf=b*v*d*thetaa #Units in V\n", + "print \"The emf induced in the rod is emf=\",round(emf,6),\" V\"\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Ex19.7:pg-940" + ] + }, + { + "cell_type": "code", + "execution_count": 3, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "The back emf developed is EMF= 104.0 V\n" + ] + } + ], + "source": [ + " #Example 19_7\n", + " \n", + " \n", + "#To calculate the Back emf developed\n", + "i=3 #Units in A\n", + "r=2.0 #Units in Ohms\n", + "v=110.0 #Units in Ohms\n", + "e=v-(i*r) #Units in V\n", + "print \"The back emf developed is EMF=\",round(e),\" V\"\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 +} |