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+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "#Chapter 14 , Electronics Instruments"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "##Example 14.1 , Page Number 516"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Value of shunt resistance required for the instrument :  0.0500025 ohm.\n"
+     ]
+    }
+   ],
+   "source": [
+    "#Variables\n",
+    "\n",
+    "Im = 50.0 * 10**-6                     #Full scale deflection current (in Ampere) \n",
+    "Rm = 1.0 * 10**3                       #Instrument resistance (in ohm)\n",
+    "I = 1.0                                #Total current to be measured (in Ampere)\n",
+    "\n",
+    "#Calculation\n",
+    "\n",
+    "RS = Rm/(1/Im - 1)                     #Resistance of ammeter shunt required (in ohm)\n",
+    "\n",
+    "#Result\n",
+    "\n",
+    "print \"Value of shunt resistance required for the instrument : \",round(RS,7),\"ohm.\""
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "##Example 14.2 , Page Number 518"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Required series resistance  99900.0 ohm.\n"
+     ]
+    }
+   ],
+   "source": [
+    "#Variables\n",
+    "\n",
+    "Im = 1.0 * 10**-3                      #Full scale deflection current (in Ampere) \n",
+    "Rm = 1.0 * 10**2                       #Instrument resistance (in ohm)\n",
+    "V = 100.0                              #Voltage to be measured (in volts)\n",
+    "\n",
+    "#Calculation\n",
+    "\n",
+    "R = V/Im - Rm                          #Required series resistance (in ohm) \n",
+    "\n",
+    "#Result\n",
+    "\n",
+    "print \"Required series resistance \",R,\"ohm.\""
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "##Example 14.3 , Page Number 528"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Resolution for full scale of range 1 V : 0.001 V.\n",
+      "Resolution for full scale of range 10 V :  0.01 V.\n",
+      "Total possible error :  0.015 V.\n"
+     ]
+    }
+   ],
+   "source": [
+    "#Variables\n",
+    "\n",
+    "num = 3.0                   #Number of full digits on display\n",
+    "\n",
+    "#Calculation\n",
+    "\n",
+    "R = 1/10**num               #Resolution\n",
+    "V1 = 1 * R                  #Resolution for full scale of range 1 V (in volts) \n",
+    "V10 = 10 * R                #Resolution for full scale of range 10 V (in volts)\n",
+    "dig = 5.0 * 1/10**3         #Least significant digit\n",
+    "toterror = 0.5/100 * 2 + dig #total possible error (in volts)\n",
+    "\n",
+    "#Result\n",
+    "\n",
+    "print \"Resolution for full scale of range 1 V :\",V1,\"V.\"\n",
+    "print \"Resolution for full scale of range 10 V : \",V10,\"V.\"\n",
+    "print \"Total possible error : \",round(toterror,3),\"V.\""
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "##Example 14.4 , Page Number 528"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 9,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Resolution of 1 V range is  0.0001 V.\n",
+      "Any reading upto 4th decimal can be displayed.\n",
+      "Hence 0.5243 will be displayed as 0.5243.\n",
+      "Resolution of 10 V range is  0.001 V.\n",
+      "Any reading upto 3rd decimal can be displayed.\n",
+      "Hence 0.5243 will be displayed as 0.524 instead of 0.5243.\n"
+     ]
+    }
+   ],
+   "source": [
+    "#Variables\n",
+    "\n",
+    "num = 4.0                   #Number of full digits on display\n",
+    "\n",
+    "#Calculation\n",
+    "\n",
+    "R = 1/10**num               #Resolution\n",
+    "V1 = 1 * R                  #Resolution for full scale of range 1 V (in volts) \n",
+    "V10 = 10 * R                #Resolution for full scale of range 10 V (in volts)\n",
+    "\n",
+    "#Result\n",
+    "\n",
+    "print \"Resolution of 1 V range is \",V1,\"V.\\nAny reading upto 4th decimal can be displayed.\\nHence 0.5243 will be displayed as 0.5243.\"\n",
+    "print \"Resolution of 10 V range is \",V10,\"V.\\nAny reading upto 3rd decimal can be displayed.\\nHence 0.5243 will be displayed as 0.524 instead of 0.5243.\""
+   ]
+  }
+ ],
+ "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",
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+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython2",
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