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diff --git a/electronic_instrumentation_by_H_S_Kalsi/chap2.ipynb b/electronic_instrumentation_by_H_S_Kalsi/chap2.ipynb
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+{
+ "metadata": {
+  "name": "",
+  "signature": "sha256:25c836d1606fcfdd3be702967e2c46de8c90c4ed0ada91a05ae2508868159a1c"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter 2 Indicators and display devices"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 2.1 (a) Page no 27"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#Given\n",
+      "N=100\n",
+      "W=20*10**-3                                #Width of the coil in m\n",
+      "A=30*10**-3                               #Depth of the coil in mm\n",
+      "B=0.1                                     #flux density in wb/m**2\n",
+      "I=10*10**-3                                 #current in A\n",
+      "K=2.0*10**-6                                #Nm/degree\n",
+      "\n",
+      "#Calculation\n",
+      "T=B*A*W*I*N\n",
+      "x=T/K\n",
+      "\n",
+      "#Result\n",
+      "print\"The deflection torque is \",T,\"m\"\n",
+      "print\"The deflection is \", x,\"degree\"\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The deflection torque is  6e-05 m\n",
+        "The deflection is  30.0 degree\n"
+       ]
+      }
+     ],
+     "prompt_number": 1
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 2.1 (b) Page no 27"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#Given\n",
+      "N=100\n",
+      "A=20*10**-3                               #m\n",
+      "d=30*10**-3                               #m\n",
+      "D=0.1                                     #Wb/m**2\n",
+      "t=30*10**-6                               #Nm\n",
+      "\n",
+      "#Calculation\n",
+      "I=(t/(D*d*A*N))*10**3\n",
+      "\n",
+      "#Result\n",
+      "print\"The current through the moving coil is \", I,\"mA\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The current through the moving coil is  5.0 mA\n"
+       ]
+      }
+     ],
+     "prompt_number": 1
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
+\ No newline at end of file