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+{
+ "metadata": {
+  "name": "ch1"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter no. 1: Introduction To Electronics"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 1.1 Page no.8"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#Example 1.1\n",
+      "# a resistor has a coloue band sequence  : \n",
+      "#yellow,voilet,orange and gold.\n",
+      "#find the Range in which its value lies so as to satisfy manufacturer's Tolerances\n",
+      "\n",
+      "#Given\n",
+      "#Colour Band Sequence: YELLOW, VIOLET, ORANGE, GOLD \n",
+      "A=4        #NUMERICAL CODE FOR BAND YELLOW\n",
+      "B=7        #NUMERICAL CODE FOR BAND VIOLET\n",
+      "C=3        #NUMERICAL CODE FOR BAND ORANGE\n",
+      "D=5       #TOLERANCE VALUE FOR BAND GOLD i.e. 5%\n",
+      "\n",
+      "#Resistor Value Calculation\n",
+      "R=(A*10+B)*10**C\n",
+      "#Tolerance Value Calulation\n",
+      "T=D*R/100;\n",
+      "R1=R-T;\n",
+      "R2=R+T;\n",
+      "\n",
+      "# Results\n",
+      "print  \"Therefore thr resistance should be within the range \", R1*10**(-3) ,\"kohm\",\"and\", R2*10**(-3),\"kohm\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": []
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": [
+      "Example 1.2 Page no.8"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#Example 1.2\n",
+      "#A resistoe has a colour band sequence : gray ,blue.gold and gold.\n",
+      "#what is the Range in which its value must lie  to satisfy manufacturer's Tolerances\n",
+      "\n",
+      "#Colour Band Sequence: GRAY, BLUE, GOLD, GOLD\n",
+      "A=8         #NUMERICAL CODE FOR BAND GRAY\n",
+      "B=6         #NUMERICAL CODE FOR BAND BLUE\n",
+      "C=-1       #NUMERICAL CODE FOR BAND GOLD\n",
+      "D=5        #TOLERANCE VALUE FOR BAND GOLD i.e. 5%\n",
+      "#Resistor Value Calculation\n",
+      "R=(A*10+B)*10**C\n",
+      "#Tolerance Value Calulation\n",
+      "T=D*R/100\n",
+      "R1=R-T\n",
+      "R2=R+T\n",
+      "# Results \n",
+      "print \"Range of Values of the Resistor is  between \",R1,\"ohm\",\"and\",R2,\"ohm\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": []
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
+\ No newline at end of file