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 "cells": [
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   "source": [
    "#Chapter 1:INTRODUCTION"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "##Example number 1.1, Page number 1.11"
   ]
  },
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   "execution_count": 11,
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     "output_type": "stream",
     "text": [
      "The  width =  2.2222 *10**-11 Amp\n"
     ]
    }
   ],
   "source": [
    "#importing modules\n",
    "import math\n",
    "from __future__ import division\n",
    "\n",
    "#Variable declaration\n",
    "C=20/(9*10^11)#converting cms to farads\n",
    "\n",
    "#Calculation\n",
    "F=154-100#fall in potential\n",
    "R=F/60#rate of fall in potential\n",
    "I=C*R#ionization current\n",
    "\n",
    "#Result\n",
    "print\"The  width = \",round(I*10,4),\"*10**-11 Amp\""
   ]
  }
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