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-{
- "metadata": {
-  "name": ""
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
-  {
-   "cells": [
-    {
-     "cell_type": "heading",
-     "level": 1,
-     "metadata": {},
-     "source": [
-      "Chapter 1: Introduction"
-     ]
-    },
-    {
-     "cell_type": "heading",
-     "level": 3,
-     "metadata": {},
-     "source": [
-      "Example 1.1, Page Number: 6"
-     ]
-    },
-    {
-     "cell_type": "code",
-     "collapsed": false,
-     "input": [
-      "from __future__ import division\n",
-      "\n",
-      "\n",
-      "#Variable declaration:\n",
-      "Pi = 4200                            #input power(W)\n",
-      "E = 120                              #voltage supply of generator(V)\n",
-      "I = 32.2                             #supply current(A)\n",
-      "\n",
-      "\n",
-      "#Calculation:\n",
-      "Po = E*I                          #output power(W)\n",
-      "n = Po/Pi*100                         #efficiency(%)\n",
-      "Pl = Pi-Po                         #power lost(W)\n",
-      "El = Pl*60                         #energy lost per minute(J)\n",
-      "\n",
-      "\n",
-      "#Result:\n",
-      "print \"The percentage efficiency of the generator is\",n,\"%\"\n",
-      "print \"Energy lost per minute of operation is\",El,\"J\""
-     ],
-     "language": "python",
-     "metadata": {},
-     "outputs": [
-      {
-       "output_type": "stream",
-       "stream": "stdout",
-       "text": [
-        "The percentage efficiency of the generator is 92.0 %\n",
-        "Energy lost per minute of operation is 20160.0 J\n"
-       ]
-      }
-     ],
-     "prompt_number": 2
-    }
-   ],
-   "metadata": {}
-  }
- ]
-}
-\ No newline at end of file