removing problem statements

1 files changed, 0 insertions, 46 deletions

diff --git a/Fundamental_of_Electronics_Devices/Ch1.ipynb b/Fundamental_of_Electronics_Devices/Ch1.ipynb
index 34ecc51b..78c644f7 100644
--- a/Fundamental_of_Electronics_Devices/Ch1.ipynb
+++ b/Fundamental_of_Electronics_Devices/Ch1.ipynb
@@ -27,17 +27,11 @@
      "cell_type": "code",

      "collapsed": false,

      "input": [

-      "#Example 1.1\n",

-      "#Find the miller indices for a plane.\n",

       "\n",

-      "#Given\n",

-      "#Length of intercept\n",

       "l1=2.0\n",

       "l2=3.0\n",

       "l3=2.0\n",

       "\n",

-      "#Calcuation\n",

-      "#reciprocal of intercept\n",

       "r1=1/l1\n",

       "r2=1/l2\n",

       "r3=1/l3\n",

@@ -45,7 +39,6 @@
       "m2=6*r2\n",

       "m3=6*r3\n",

       "\n",

-      "#Result\n",

       "print\"Miller indices of the given plane are\",m1,m2,m3\n"

      ],

      "language": "python",

@@ -73,17 +66,11 @@
      "cell_type": "code",

      "collapsed": false,

      "input": [

-      "#Example 1.2\n",

-      "#Find the miller indices for a plane.\n",

       "\n",

-      "#Given\n",

-      "#Length of intercept\n",

       "l1=1.0\n",

       "l2=2.0\n",

       "l3=0\n",

       "\n",

-      "#Calcuation\n",

-      "#reciprocal of intercept\n",

       "r1=1/l1\n",

       "r2=1/l2\n",

       "r3=0\n",

@@ -91,7 +78,6 @@
       "m2=2*r2\n",

       "m3=2*r3\n",

       "\n",

-      "#Result\n",

       "print\"Miller indices of the given plane are\",m1,m2,m3\n"

      ],

      "language": "python",

@@ -119,19 +105,14 @@
      "cell_type": "code",

      "collapsed": false,

      "input": [

-      "#Example 1.3\n",

-      "#Obtain lattice constant and radius of the atom.\n",

       "\n",

-      "#Given\n",

       "V=3*(10**22)                 #kg/m**3, density of SCC lattice\n",

       "p=(1/3.0)*10**-22\n",

       "\n",

-      "#Calculation\n",

       "n=1                       #no. of lattice point     \n",

       "a=(n*p)**(1/3.0)                     #lattice constant\n",

       "r=(a*10**8/2)\n",

       "\n",

-      "#Result\n",

       "print\"Lattice constant is\",round(a*10**8,2),\"A\"\n",

       "print\"radius of simple lattice is\",round(r,2),\"A\""

      ],

@@ -161,26 +142,19 @@
      "cell_type": "code",

      "collapsed": false,

      "input": [

-      "#Exampe  1.4\n",

-      "#Determine the density of crystal\n",

       "\n",

-      "#given data\n",

       "import math\n",

       "r=1.278                      #in Angstrum\n",

       "AtomicWeight=63.5            #constant\n",

       "AvogadroNo=6.023*10**23      #constant\n",

       "\n",

-      "#Calculation\n",

-      "#For FCC structure a=4*r/math.sqrt(2)\n",

       "a=4*r*10**-10/math.sqrt(2)   #in meter\n",

       "V=a**3                       #in meter**3\n",

-      "#mass of one atom = m\n",

       "m=AtomicWeight/AvogadroNo    #in gm\n",

       "m=m/1000                     #in Kg\n",

       "n=4          # no. of atoms per unit cell for FCC structure\n",

       "rho=m*n/V                    #in Kg/m**3\n",

       "\n",

-      "#Result\n",

       "print \"Density of crystal is\",round(rho,2),\"Kg/m**3\""

      ],

      "language": "python",

@@ -208,15 +182,11 @@
      "cell_type": "code",

      "collapsed": false,

      "input": [

-      "#Example 1.5\n",

-      "#What is Density of silicon crystal .\n",

       "\n",

-      "#given data\n",

       "n=4                     # no. of atoms per unit cell of silicon\n",

       "AtomicWeight=28         #constant\n",

       "AvogadroNo=6.021*10**23 #constant\n",

       "\n",

-      "#calculation\n",

       "m=AtomicWeight/AvogadroNo  #in gm\n",

       "m=m/1000                   #in Kg\n",

       "a=5.3                      #lattice constant in Angstrum\n",

@@ -224,7 +194,6 @@
       "V=a**3                     #in meter**3\n",

       "rho=m*n/V                  #in Kg/m**3\n",

       "\n",

-      "#result\n",

       "print\"Density of silicon crystal is\",round(rho,0),\"Kg/m**3\""

      ],

      "language": "python",

@@ -252,18 +221,13 @@
      "cell_type": "code",

      "collapsed": false,

      "input": [

-      "#Example 1.5\n",

-      "#What is Surface density in FCC .\n",

       "\n",

-      "#given data\n",

       "a=4.75                     #lattice constant in Angstrum\n",

       "a=a*10**-10                #in meter\n",

       "\n",

-      "#Calculation\n",

       "dp=2.31/a**2               #in atom/m**2\n",

       "dp=dp/10**6                #in atom/mm**2\n",

       "\n",

-      "#Result\n",

       "print \"Surface density in FCC on (111)Plane is %.e\",dp,\"atoms/mm**2\""

      ],

      "language": "python",

@@ -291,19 +255,14 @@
      "cell_type": "code",

      "collapsed": false,

      "input": [

-      "#Example 1.7\n",

-      "#find the Interpolar distance\n",

       "\n",

-      "#given data\n",

       "import math\n",

       "l=1.539         #in Angstrum\n",

       "theta=22.5           #in degree\n",

       "n=1                  #order unitless\n",

       "\n",

-      "#Calculation\n",

       "d=n*l/(2*math.sin(theta*math.pi/180))    #in Angstrum\n",

       "\n",

-      "#result\n",

       "print \"Interpolar distance in Angstrum \",round(d,2),\"A\""

      ],

      "language": "python",

@@ -331,20 +290,15 @@
      "cell_type": "code",

      "collapsed": false,

      "input": [

-      "#Example 1.8\n",

-      "#Find the wavelength of X-rays \n",

       "\n",

-      "#given data\n",

       "import math\n",

       "\n",

       "theta=16.8/2.0             #in degree\n",

       "n=2.0                      #order unitless\n",

       "d=0.4                    #in nm\n",

       "\n",

-      "#Calculation\n",

       "l=(2*d*10**-9*sin(theta*math.pi/180.0))/n     #in Angstrum\n",

       "\n",

-      "#result\n",

       "print \"wavelength of X-rays in Angstrum \",round(l*10**10,3),\"A\"\n"

      ],

      "language": "python",