Merge pull request #1 from prashantsinalkar/masterHEADmaster

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diff --git a/Electric_Machinery_by_A_E_Fitzgerald/9-DC_Machines_in_Steady_State.ipynb b/Electric_Machinery_by_A_E_Fitzgerald/9-DC_Machines_in_Steady_State.ipynb
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+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 9: DC Machines in Steady State"
+	   ]
+	},
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 9.1: Finding_electromagnetic_torque.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"// Caption: Finding electromagnetic torque\n",
+"clear;\n",
+"close;\n",
+"clc;\n",
+"V_t=128;\n",
+"E_a=125;\n",
+"R_a=.02;\n",
+"I_a=(V_t-E_a)/R_a;//armature current\n",
+"\n",
+"P_t=V_t*I_a;//terminal power;\n",
+"P_e=E_a*I_a;//electromagnetic power;\n",
+"T=P_e/(100*%pi);//torque\n",
+"disp(T,'electromagnetic torque=');"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 9.2: Finding_terminal_voltage.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"// Caption: Finding terminal voltage\n",
+"clear;\n",
+"close;\n",
+"clc;\n",
+"V=274;//voltage when Ia=0\n",
+"E_a=274*1150/1200;//actual emf\n",
+"V_t=E_a-405*(0.025+0.005);//terminal voltage"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 9.4: Finding_speed_and_output_power.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"// Caption: Finding speed and output power\n",
+"clear;\n",
+"close;\n",
+"clc;\n",
+"E_ao=250*1200/1100;//at 1200 r/min\n",
+"E_a=250-400*.025;//at Ia=400A\n",
+"n=240*1200/261;//actual spped\n",
+"P_em=240*400;\n",
+"disp(P_em,'electromagnetic power=')"
+   ]
+   }
+],
+"metadata": {
+		  "kernelspec": {
+		   "display_name": "Scilab",
+		   "language": "scilab",
+		   "name": "scilab"
+		  },
+		  "language_info": {
+		   "file_extension": ".sce",
+		   "help_links": [
+			{
+			 "text": "MetaKernel Magics",
+			 "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
+			}
+		   ],
+		   "mimetype": "text/x-octave",
+		   "name": "scilab",
+		   "version": "0.7.1"
+		  }
+		 },
+		 "nbformat": 4,
+		 "nbformat_minor": 0
+}