removing problem statements

1 files changed, 169 insertions, 24 deletions

diff --git a/Engineering_Physics_Marikani/Chapter_11.ipynb b/Engineering_Physics_Marikani/Chapter_11.ipynb
index 6e1a896d..781b51dc 100644
--- a/Engineering_Physics_Marikani/Chapter_11.ipynb
+++ b/Engineering_Physics_Marikani/Chapter_11.ipynb
@@ -1,6 +1,7 @@
 {
  "metadata": {
-  "name": "Chapter 11"
+  "name": "",
+  "signature": "sha256:6c9d1e462fb51d212d5e8b8f597a34ef40452b9332c91d54e15e6a4dccd85074"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -11,25 +12,48 @@
      "cell_type": "heading",
      "level": 1,
      "metadata": {},
-     "source": "Dielectric materials"
+     "source": [
+      "Dielectric materials"
+     ]
     },
     {
      "cell_type": "heading",
      "level": 2,
      "metadata": {},
-     "source": "Example number 11.1, Page number 335"
+     "source": [
+      "Example number 11.1, Page number 335"
+     ]
     },
     {
      "cell_type": "code",
      "collapsed": false,
-     "input": "#To calculate the relative dielectric constant\n\n#importing modules\nimport math\n\n#Variable declaration\nepsilon_0=8.854*10**-12;\nA=10*10*10**-6;    #area of capacitor in m^2\nd=2*10**-3;     #distance of seperation in m\nC=10**-9;      #capacitance in F\n\n#Calculation\nepsilon_r=(C*d)/(epsilon_0*A);\nepsilon_r=math.ceil(epsilon_r*10**2)/10**2;   #rounding off to 2 decimals\n\n#Result\nprint(\"dielectric constant of material is\",epsilon_r);\n",
+     "input": [
+      "\n",
+      "#importing modules\n",
+      "import math\n",
+      "\n",
+      "#Variable declaration\n",
+      "epsilon_0=8.854*10**-12;\n",
+      "A=10*10*10**-6;    #area of capacitor in m^2\n",
+      "d=2*10**-3;     #distance of seperation in m\n",
+      "C=10**-9;      #capacitance in F\n",
+      "\n",
+      "#Calculation\n",
+      "epsilon_r=(C*d)/(epsilon_0*A);\n",
+      "epsilon_r=math.ceil(epsilon_r*10**2)/10**2;   #rounding off to 2 decimals\n",
+      "\n",
+      "#Result\n",
+      "print(\"dielectric constant of material is\",epsilon_r);\n"
+     ],
      "language": "python",
      "metadata": {},
      "outputs": [
       {
        "output_type": "stream",
        "stream": "stdout",
-       "text": "('dielectric constant of material is', 2258.87)\n"
+       "text": [
+        "('dielectric constant of material is', 2258.87)\n"
+       ]
       }
      ],
      "prompt_number": 1
@@ -38,19 +62,37 @@
      "cell_type": "heading",
      "level": 2,
      "metadata": {},
-     "source": "Example number 11.2, Page number 335"
+     "source": [
+      "Example number 11.2, Page number 335"
+     ]
     },
     {
      "cell_type": "code",
      "collapsed": false,
-     "input": "#To calculate the electronic polarizability of atoms\n\n#Variable declaration\nepsilon_0=8.854*10**-12;\nepsilon_r=1.0000684;     #dielectric constant of He gas\nN=2.7*10**25;    #concentration of dipoles per m^3\n\n#Calculation\n#alpha_e=P/(N*E) and P=epsilon_0(epsilon_r-1)*E\n#therefore alpha_e=epsilon_0(epsilon_r-1)/N\nalpha_e=(epsilon_0*(epsilon_r-1))/N;\n\n#Result\nprint(\"electronic polarizability of He gas in Fm^2 is\",alpha_e);\n",
+     "input": [
+      "\n",
+      "#Variable declaration\n",
+      "epsilon_0=8.854*10**-12;\n",
+      "epsilon_r=1.0000684;     #dielectric constant of He gas\n",
+      "N=2.7*10**25;    #concentration of dipoles per m^3\n",
+      "\n",
+      "#Calculation\n",
+      "#alpha_e=P/(N*E) and P=epsilon_0(epsilon_r-1)*E\n",
+      "#therefore alpha_e=epsilon_0(epsilon_r-1)/N\n",
+      "alpha_e=(epsilon_0*(epsilon_r-1))/N;\n",
+      "\n",
+      "#Result\n",
+      "print(\"electronic polarizability of He gas in Fm^2 is\",alpha_e);\n"
+     ],
      "language": "python",
      "metadata": {},
      "outputs": [
       {
        "output_type": "stream",
        "stream": "stdout",
-       "text": "('electronic polarizability of He gas in Fm^2 is', 2.2430133333322991e-41)\n"
+       "text": [
+        "('electronic polarizability of He gas in Fm^2 is', 2.2430133333322991e-41)\n"
+       ]
       }
      ],
      "prompt_number": 2
@@ -59,19 +101,35 @@
      "cell_type": "heading",
      "level": 2,
      "metadata": {},
-     "source": "Example number 11.3, Page number 336"
+     "source": [
+      "Example number 11.3, Page number 336"
+     ]
     },
     {
      "cell_type": "code",
      "collapsed": false,
-     "input": "#To calculate the polarisation\n\n#Variable declaration\nepsilon_0=8.854*10**-12;\nepsilon_r=6;  #dielectric constant\nE=100;    #electric field intensity in V/m\n\n#Calculation\nP=epsilon_0*(epsilon_r-1)*E;\n\n#Result\nprint(\"polarization in C/m^2 is\",P);\n",
+     "input": [
+      "\n",
+      "#Variable declaration\n",
+      "epsilon_0=8.854*10**-12;\n",
+      "epsilon_r=6;  #dielectric constant\n",
+      "E=100;    #electric field intensity in V/m\n",
+      "\n",
+      "#Calculation\n",
+      "P=epsilon_0*(epsilon_r-1)*E;\n",
+      "\n",
+      "#Result\n",
+      "print(\"polarization in C/m^2 is\",P);\n"
+     ],
      "language": "python",
      "metadata": {},
      "outputs": [
       {
        "output_type": "stream",
        "stream": "stdout",
-       "text": "('polarization in C/m^2 is', 4.426999999999999e-09)\n"
+       "text": [
+        "('polarization in C/m^2 is', 4.426999999999999e-09)\n"
+       ]
       }
      ],
      "prompt_number": 3
@@ -80,19 +138,38 @@
      "cell_type": "heading",
      "level": 2,
      "metadata": {},
-     "source": "Example number 11.4, Page number 336"
+     "source": [
+      "Example number 11.4, Page number 336"
+     ]
     },
     {
      "cell_type": "code",
      "collapsed": false,
-     "input": "#To calculate the electronic polarizability of Ne\n\n#importing modules\nimport math\n\n#Variable declaration\nepsilon_0=8.854*10**-12;\nR=0.158;    #radius of Ne in nm\n\n#Calculation\nR=R*10**-9;      #converting nm to m\nalpha_e=4*math.pi*epsilon_0*R**3;\n\n#Result\nprint(\"electronic polarizability in Fm^2 is\",alpha_e);\n",
+     "input": [
+      "\n",
+      "#importing modules\n",
+      "import math\n",
+      "\n",
+      "#Variable declaration\n",
+      "epsilon_0=8.854*10**-12;\n",
+      "R=0.158;    #radius of Ne in nm\n",
+      "\n",
+      "#Calculation\n",
+      "R=R*10**-9;      #converting nm to m\n",
+      "alpha_e=4*math.pi*epsilon_0*R**3;\n",
+      "\n",
+      "#Result\n",
+      "print(\"electronic polarizability in Fm^2 is\",alpha_e);\n"
+     ],
      "language": "python",
      "metadata": {},
      "outputs": [
       {
        "output_type": "stream",
        "stream": "stdout",
-       "text": "('electronic polarizability in Fm^2 is', 4.3885458748002144e-40)\n"
+       "text": [
+        "('electronic polarizability in Fm^2 is', 4.3885458748002144e-40)\n"
+       ]
       }
      ],
      "prompt_number": 5
@@ -101,19 +178,49 @@
      "cell_type": "heading",
      "level": 2,
      "metadata": {},
-     "source": "Example number 11.5, Page number 336"
+     "source": [
+      "Example number 11.5, Page number 336"
+     ]
     },
     {
      "cell_type": "code",
      "collapsed": false,
-     "input": "#To calculate the area of metal sheet\n\n#importing modules\nimport math\n\n#Variable declaration\nepsilon_0=8.854*10**-12;\nC=0.02;      #capacitance in micro farad\nepsilon_r=6;  #dielectric constant\nt=0.002;     #thickness of mica in cm\nd=0.002;    #thickness of metal sheet in cm\n\n#Calculation\nC=C*10**-6;    #converting micro farad to farad\nd=d*10**-2;    #converting cm to m\nA=(C*d)/(epsilon_0*epsilon_r);\nA=A*10**3;\nA=math.ceil(A*10**4)/10**4;   #rounding off to 4 decimals\nA1=A*10;    #converting m**2 to cm**2\nA1=math.ceil(A1*10**3)/10**3;   #rounding off to 3 decimals\n\n#Result\nprint(\"area of metal sheet in m^2 is\",A,\"*10**-3\");\nprint(\"area of metal sheet in cm^2 is\",A1);",
+     "input": [
+      "\n",
+      "\n",
+      "#importing modules\n",
+      "import math\n",
+      "\n",
+      "#Variable declaration\n",
+      "epsilon_0=8.854*10**-12;\n",
+      "C=0.02;      #capacitance in micro farad\n",
+      "epsilon_r=6;  #dielectric constant\n",
+      "t=0.002;     #thickness of mica in cm\n",
+      "d=0.002;    #thickness of metal sheet in cm\n",
+      "\n",
+      "#Calculation\n",
+      "C=C*10**-6;    #converting micro farad to farad\n",
+      "d=d*10**-2;    #converting cm to m\n",
+      "A=(C*d)/(epsilon_0*epsilon_r);\n",
+      "A=A*10**3;\n",
+      "A=math.ceil(A*10**4)/10**4;   #rounding off to 4 decimals\n",
+      "A1=A*10;    #converting m**2 to cm**2\n",
+      "A1=math.ceil(A1*10**3)/10**3;   #rounding off to 3 decimals\n",
+      "\n",
+      "#Result\n",
+      "print(\"area of metal sheet in m^2 is\",A,\"*10**-3\");\n",
+      "print(\"area of metal sheet in cm^2 is\",A1);"
+     ],
      "language": "python",
      "metadata": {},
      "outputs": [
       {
        "output_type": "stream",
        "stream": "stdout",
-       "text": "('area of metal sheet in m^2 is', 7.5296, '*10**-3')\n('area of metal sheet in cm^2 is', 75.296)\n"
+       "text": [
+        "('area of metal sheet in m^2 is', 7.5296, '*10**-3')\n",
+        "('area of metal sheet in cm^2 is', 75.296)\n"
+       ]
       }
      ],
      "prompt_number": 9
@@ -122,19 +229,39 @@
      "cell_type": "heading",
      "level": 2,
      "metadata": {},
-     "source": "Example number 11.6, Page number 336"
+     "source": [
+      "Example number 11.6, Page number 336"
+     ]
     },
     {
      "cell_type": "code",
      "collapsed": false,
-     "input": "#To calculate the relative permitivity of the crystal\n\n#importing modules\nimport math\n\n#Variable declaration\nepsilon_0=8.854*10**-12;\nE=1000;     #electric field in V/m\nP=4.3*10**-8;     #polarization in C/m^2\n\n#Calculation\nepsilon_r=(P/(E*epsilon_0)+1);\nepsilon_r=math.ceil(epsilon_r*10**4)/10**4;   #rounding off to 4 decimals\n\n#Result\nprint(\"dielectric constant is\",epsilon_r);\n",
+     "input": [
+      "\n",
+      "#importing modules\n",
+      "import math\n",
+      "\n",
+      "#Variable declaration\n",
+      "epsilon_0=8.854*10**-12;\n",
+      "E=1000;     #electric field in V/m\n",
+      "P=4.3*10**-8;     #polarization in C/m^2\n",
+      "\n",
+      "#Calculation\n",
+      "epsilon_r=(P/(E*epsilon_0)+1);\n",
+      "epsilon_r=math.ceil(epsilon_r*10**4)/10**4;   #rounding off to 4 decimals\n",
+      "\n",
+      "#Result\n",
+      "print(\"dielectric constant is\",epsilon_r);\n"
+     ],
      "language": "python",
      "metadata": {},
      "outputs": [
       {
        "output_type": "stream",
        "stream": "stdout",
-       "text": "('dielectric constant is', 5.8566)\n"
+       "text": [
+        "('dielectric constant is', 5.8566)\n"
+       ]
       }
      ],
      "prompt_number": 10
@@ -143,19 +270,37 @@
      "cell_type": "heading",
      "level": 2,
      "metadata": {},
-     "source": "Example number 11.7, Page number 337"
+     "source": [
+      "Example number 11.7, Page number 337"
+     ]
     },
     {
      "cell_type": "code",
      "collapsed": false,
-     "input": "#To calculate the polarisability of the material\n\n#Variable declaration\nepsilon_0=8.854*10**-12;\nchi=4.94;    #relative susceptibility\nN=10**28;     #number of dipoles per m^3\n\n#Calculation\n#polarisation P=N*alpha*E and P=epsilon_0*chi*E. equate the two equations\n#epsilon_0*chi*E=N*alpha*E\nalpha=(epsilon_0*chi)/N;\n\n#Result\nprint(\"polarisability of material in F/m^2 is\",alpha);\n",
+     "input": [
+      "\n",
+      "#Variable declaration\n",
+      "epsilon_0=8.854*10**-12;\n",
+      "chi=4.94;    #relative susceptibility\n",
+      "N=10**28;     #number of dipoles per m^3\n",
+      "\n",
+      "#Calculation\n",
+      "#polarisation P=N*alpha*E and P=epsilon_0*chi*E. equate the two equations\n",
+      "#epsilon_0*chi*E=N*alpha*E\n",
+      "alpha=(epsilon_0*chi)/N;\n",
+      "\n",
+      "#Result\n",
+      "print(\"polarisability of material in F/m^2 is\",alpha);\n"
+     ],
      "language": "python",
      "metadata": {},
      "outputs": [
       {
        "output_type": "stream",
        "stream": "stdout",
-       "text": "('polarisability of material in F/m^2 is', 4.373876e-39)\n"
+       "text": [
+        "('polarisability of material in F/m^2 is', 4.373876e-39)\n"
+       ]
       }
      ],
      "prompt_number": 11
@@ -163,7 +308,7 @@
     {
      "cell_type": "code",
      "collapsed": false,
-     "input": "",
+     "input": [],
      "language": "python",
      "metadata": {},
      "outputs": []