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+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# CHAPTER 16: LABORATORY POWER SUPPLIES"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Example 16-1, Page Number: 423"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Source Effect= 50.0 mV\n",
+      "Line Regulation= 0.42 %\n",
+      "Load Effect= 100.0 mV\n",
+      "Load Regulation= 0.83 %\n"
+     ]
+    }
+   ],
+   "source": [
+    "import math\n",
+    "\n",
+    "#Variable Declaration\n",
+    "\n",
+    "#Output voltages at various instances in V\n",
+    "Eo1=12\n",
+    "Eo2=11.95\n",
+    "Eo3=12\n",
+    "Eo4=11.9\n",
+    "\n",
+    "#Calculation\n",
+    "source_effect=Eo1-Eo2                    #Change in output voltage due to 10% change in input\n",
+    "line_regulation=source_effect*100/Eo1    #percentage\n",
+    "\n",
+    "load_effect=Eo3-Eo4                     #Change in output voltage due to change in load from no load to minimum load \n",
+    "load_regulation=load_effect*100/Eo3\n",
+    "\n",
+    "#Results\n",
+    "print \"Source Effect=\",source_effect*10**3,\"mV\"\n",
+    "print \"Line Regulation=\",round(line_regulation,2),\"%\"\n",
+    "print \"Load Effect=\",load_effect*10**3,\"mV\"\n",
+    "print \"Load Regulation=\",round(load_regulation,2),\"%\"\n",
+    "\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Example 16-2, Page Number: 428"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 10,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Maximum output voltage= 15.2 V\n",
+      "Minimum output voltgae= 9.9 V\n"
+     ]
+    }
+   ],
+   "source": [
+    "import math\n",
+    "\n",
+    "#Variable Declaration\n",
+    "\n",
+    "Vz=6                   #Zener voltage in V\n",
+    "R2=5.6*10**3           #in ohm\n",
+    "R3=5.6*10**3           #in ohm\n",
+    "R4=3*10**3             #in ohm\n",
+    "\n",
+    "#Calculation\n",
+    "\n",
+    "#When the moving contact is at the botton of R4, \n",
+    "Vr3=Vz                 #in V\n",
+    "I3=Vz/R3               #in A\n",
+    "Eo=I3*(R2+R3+R4)       #in V\n",
+    "\n",
+    "print \"Maximum output voltage=\",round(Eo,1),\"V\"\n",
+    "\n",
+    "#When the moving contact is at the top of R4\n",
+    "\n",
+    "I3=Vz/(R3+R4)         #in A\n",
+    "Eo=I3*(R2+R3+R4)      #in V     \n",
+    "\n",
+    "print \"Minimum output voltgae=\",round(Eo,1),\"V\""
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 2",
+   "language": "python",
+   "name": "python2"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 2
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython2",
+   "version": "2.7.9"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}