{
 "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": {}
  }
 ]
}