From d36fc3b8f88cc3108ffff6151e376b619b9abb01 Mon Sep 17 00:00:00 2001 From: kinitrupti Date: Fri, 12 May 2017 18:40:35 +0530 Subject: Revised list of TBCs --- modern_physics_by_Satish_K._Gupta/chap33.ipynb | 304 ------------------------- 1 file changed, 304 deletions(-) delete mode 100755 modern_physics_by_Satish_K._Gupta/chap33.ipynb (limited to 'modern_physics_by_Satish_K._Gupta/chap33.ipynb') diff --git a/modern_physics_by_Satish_K._Gupta/chap33.ipynb b/modern_physics_by_Satish_K._Gupta/chap33.ipynb deleted file mode 100755 index 4183f15e..00000000 --- a/modern_physics_by_Satish_K._Gupta/chap33.ipynb +++ /dev/null @@ -1,304 +0,0 @@ -{ - "metadata": { - "name": "", - "signature": "sha256:52e9ff37336a0b3392520c7ec0e817b37056adea4740de3297c85e4e3e83dc56" - }, - "nbformat": 3, - "nbformat_minor": 0, - "worksheets": [ - { - "cells": [ - { - "cell_type": "heading", - "level": 1, - "metadata": {}, - "source": [ - "Chapter 33 Solids" - ] - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 33.1 Page no 904" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "Eg=0.72*1.6*10**-19 #J\n", - "h=6.62*10**-34\n", - "c=3*10**8\n", - "\n", - "#Calculation\n", - "L=(h*c)/Eg\n", - "\n", - "#Result\n", - "print\"The maximum wavelength of electromagnetic radiation is\",round(L*10**6,3)*10**-6,\"m\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "The maximum wavelength of electromagnetic radiation is 1.724e-06 m\n" - ] - } - ], - "prompt_number": 6 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 33.2 Page no 904" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "n1=1.5*10**16 #/m**3\n", - "nh=4.5*10**22\n", - "\n", - "#Calculation\n", - "ne=n1**2/nh\n", - "\n", - "#Result\n", - "print\"ne in the doping silicon is\",ne*10**-9,\"*10**9 /m**3\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "ne in the doping silicon is 5.0 *10**9 /m**3\n" - ] - } - ], - "prompt_number": 9 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 33.3 Page no 904" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "ne=8*10**19 #/m**3\n", - "nh=5*10**18\n", - "ue=2.3 #m**2/V/S\n", - "uh=0.01\n", - "e=1.6*10**-19\n", - "\n", - "#Calculation\n", - "a=1/(e*((ne*ue)+(nh*uh)))\n", - "\n", - "#Result\n", - "print\"(a) The semiconductor has greater electron concentration, it is n-type semiconductor\"\n", - "print\"(b) Resistivity is\", round(a*10**2,3),\"*10**-2 ohm/m\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "(a) The semiconductor has greater electron concentration, it is n-type semiconductor\n", - "(b) Resistivity is 3.396 *10**-2 ohm/m\n" - ] - } - ], - "prompt_number": 16 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 33.4 Page no 904" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "e=1.6*10**-19 #C\n", - "A=500 #ohm**-1 m**-1\n", - "Ue=0.39 #m**2 V**-1 s**-1\n", - "\n", - "#Calculation\n", - "Ne=A/(e*Ue)\n", - "\n", - "#Result\n", - "print\"The number density of donor atoms is\",round(Ne*10**-21,3)*10**21,\"m**3\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "The number density of donor atoms is 8.013e+21 m**3\n" - ] - } - ], - "prompt_number": 23 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 33.5 Page no 904" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "F=1.6*10**-19 #E\n", - "W=4.2*10**8\n", - "e=2.4\n", - "w=4.2*10**-8\n", - "\n", - "#Calculation\n", - "S=F*W\n", - "A=S/F\n", - "E=e/w\n", - "\n", - "#Result\n", - "print\"Electric field is\", round(E*10**-7,2),\"*10**7 V/m\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Electric field is 5.71 *10**7 V/m\n" - ] - } - ], - "prompt_number": 30 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 33.6 Page no 904" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Given\n", - "h=6.62*10**-34\n", - "c=3*10**8\n", - "l=630*10**-9\n", - "e=1.6*10**-19\n", - "\n", - "#Calculation\n", - "Eg=(h*c)/(l*e)\n", - "\n", - "#Result\n", - "print\"Width of the forbidden energy gap is\",round(Eg,2),\"eV\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Width of the forbidden energy gap is 1.97 eV\n" - ] - } - ], - "prompt_number": 33 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 33.7 Page no 904" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#iven\n", - "A=10**-4 #m**2\n", - "l=0.1 #m\n", - "V=2 #V\n", - "T=300 #K\n", - "ue=0.135 #m**2/V/S\n", - "n=1.5*10**15 #/m**3\n", - "uh=0.048 #m**2/V/S\n", - "e=1.6*10**-19\n", - "ue1=0.39\n", - "uh1=0.19\n", - "n1=2.4*10**19\n", - "\n", - "#Calculation\n", - "E=V/l\n", - "ve=ue*E\n", - "vh=uh*E\n", - "Ie=e*A*n*ve\n", - "Ih=e*A*n*vh\n", - "I=Ie+Ih\n", - "ve1=ue1*E\n", - "ve2=uh1*E\n", - "Ie1=e*A*n1*ve1\n", - "Ie2=e*A*n1*ve2\n", - "I1=Ie1+Ie2\n", - "\n", - "#Result\n", - "print\"Electron current is\", Ie*10.0,\"A \\nHole current is\",Ih*10,\"A\"\n", - "print\"Magnitude of total current is\",I*10,\"A \\nTotal current when germanium is used is\",I1*10**3,\"*10**-3 A\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Electron current is 6.48e-07 A \n", - "Hole current is 2.304e-07 A\n", - "Magnitude of total current is 8.784e-07 A \n", - "Total current when germanium is used is 4.4544 *10**-3 A\n" - ] - } - ], - "prompt_number": 48 - } - ], - "metadata": {} - } - ] -} \ No newline at end of file -- cgit