From c7b48513fb2cb0cdd0e4ec0050b8dbcbddc698f5 Mon Sep 17 00:00:00 2001
From: hardythe1
Date: Tue, 22 Oct 2013 17:31:15 +0530
Subject: Adding the project initial commit

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 tbc/static/uploads/Hardik/C++/Chapter1.ipynb | 158 +++++++++++++++++++++++++++
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+{
+ "metadata": {
+  "name": "Chapter_1"
+ }, 
+ "nbformat": 2, 
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "markdown", 
+     "source": [
+      "<h1>Chapter 1: Semiconductor Basics<h1>"
+     ]
+    }, 
+    {
+     "cell_type": "markdown", 
+     "source": [
+      "<h3>Example 1.1(a), Page Number:29<h3>"
+     ]
+    }, 
+    {
+     "cell_type": "code", 
+     "collapsed": false, 
+     "input": [
+      "'''Voltages of different models'''", 
+      "", 
+      "# variable declaration", 
+      "V_bias=10.0;      #bias voltage in volt", 
+      "R_limit=1000;   #limiting resistance in ohm", 
+      "r_d =10.0;        #r_d value", 
+      "", 
+      "#calculation", 
+      "#IDEAL MODEL", 
+      "print \"IDEAL MODEL\"", 
+      "V_f=0;          #voltage in volt", 
+      "I_f=V_bias/R_limit;  #foward current", 
+      "V_R_limit=I_f*R_limit;  #limiting voltage", 
+      "print \"forward voltage = %.2f volts\" %V_f", 
+      "print \"forward current = %.2f amperes\" %I_f", 
+      "print \"voltage across limiting resistor = %.2f volts\" %V_R_limit", 
+      "", 
+      "#PRACTICAL MODEL", 
+      "print \"\\nPRACTICAL MODEL\"", 
+      "V_f=0.7;      #voltage in volt", 
+      "I_f=(V_bias-V_f)/R_limit;   #foward current", 
+      "V_R_limit=I_f*R_limit;      #limiting voltage", 
+      "print \"forward voltage = %.2f volts\" %V_f", 
+      "print \"forward current = %.3f amperes\" %I_f", 
+      "print \"voltage across limiting resistor = %.2f volts\" %V_R_limit", 
+      "", 
+      "#COMPLETE MODEL", 
+      "print \"\\nCOMPLETE MODEL\"", 
+      "I_f=(V_bias-0.7)/(R_limit+r_d);  #foward current", 
+      "V_f=0.7+I_f*r_d;                 #forward voltage", 
+      "V_R_limit=I_f*R_limit;            #limiting voltage", 
+      "print \"forward voltage = %.3f volts\" %V_f", 
+      "print \"forward current = %.3f amperes\" %I_f", 
+      "print \"voltage across limiting resistor = %.2f volts\" %V_R_limit"
+     ], 
+     "language": "python", 
+     "outputs": [
+      {
+       "output_type": "stream", 
+       "stream": "stdout", 
+       "text": [
+        "IDEAL MODEL", 
+        "forward voltage = 0.00 volts", 
+        "forward current = 0.01 amperes", 
+        "voltage across limiting resistor = 10.00 volts", 
+        "", 
+        "PRACTICAL MODEL", 
+        "forward voltage = 0.70 volts", 
+        "forward current = 0.009 amperes", 
+        "voltage across limiting resistor = 9.30 volts", 
+        "", 
+        "COMPLETE MODEL", 
+        "forward voltage = 0.792 volts", 
+        "forward current = 0.009 amperes", 
+        "voltage across limiting resistor = 9.21 volts"
+       ]
+      }
+     ], 
+     "prompt_number": 1
+    }, 
+    {
+     "cell_type": "markdown", 
+     "source": [
+      "<h3>Example 1.1(b), Page Number:29<h3>"
+     ]
+    }, 
+    {
+     "cell_type": "code", 
+     "collapsed": false, 
+     "input": [
+      "'''voltages of different models'''", 
+      "", 
+      "# variable declaration", 
+      "V_bias=5;     #bias voltage in volt", 
+      "I_R=1*10**-6; #current", 
+      "R_limit=1000   #in Ohm", 
+      "", 
+      "#calculation", 
+      "#IDEAL MODEL", 
+      "print \"IDEAL MODEL\"", 
+      "I_r=0.0;   #current in ampere", 
+      "V_R=V_bias;   #voltages are equal", 
+      "V_R_limit=I_r*R_limit;   #limiting voltage", 
+      "print \"Reverse voltage across diode = %.2f volts\" %V_R", 
+      "print \"Reverse current through diode= %.2f amperes\" %I_r", 
+      "print \"voltage across limiting resistor = %.2f volts\" %V_R_limit", 
+      "", 
+      "#PRACTICAL MODEL", 
+      "print \"\\nPRACTICAL MODEL\"", 
+      "I_r=0.0;         #current in ampere", 
+      "V_R=V_bias;    #voltages are equal", 
+      "V_R_limit=I_r*R_limit;   #limiting voltage", 
+      "print \"Reverse voltage across diode= %.2f volts\" %V_R", 
+      "print \"Reverse current through diode = %.2f amperes\" %I_r", 
+      "print \"voltage across limiting resistor = %.2f volts\" %V_R_limit", 
+      "", 
+      "#COMPLETE MODEL", 
+      "print \"\\nCOMPLETE MODEL\"", 
+      "I_r=I_R;       #current in ampere", 
+      "V_R_limit=I_r*R_limit;    #limiting voltage", 
+      "V_R=V_bias-V_R_limit;     #voltage in volt", 
+      "print \"Reverse voltage across diode = %.3f volts\" %V_R", 
+      "print \"Reverse current through diode = %d micro Amp\" %(I_r*10**6)", 
+      "print \"voltage across limiting resistor = %d mV\" %(V_R_limit*1000)"
+     ], 
+     "language": "python", 
+     "outputs": [
+      {
+       "output_type": "stream", 
+       "stream": "stdout", 
+       "text": [
+        "IDEAL MODEL", 
+        "Reverse voltage across diode = 5.00 volts", 
+        "Reverse current through diode= 0.00 amperes", 
+        "voltage across limiting resistor = 0.00 volts", 
+        "", 
+        "PRACTICAL MODEL", 
+        "Reverse voltage across diode= 5.00 volts", 
+        "Reverse current through diode = 0.00 amperes", 
+        "voltage across limiting resistor = 0.00 volts", 
+        "", 
+        "COMPLETE MODEL", 
+        "Reverse voltage across diode = 4.999 volts", 
+        "Reverse current through diode = 1 micro Amp", 
+        "voltage across limiting resistor = 1 mV"
+       ]
+      }
+     ], 
+     "prompt_number": 2
+    }
+   ]
+  }
+ ]
+}
\ No newline at end of file
-- 
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