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+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 29: Magnetic fields"
+	   ]
+	},
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 29.1: Sample_Problem_1.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//Given that\n",
+"B = 1.2*10^-3  //in T\n",
+"e = 1.6*10^-19  //in C\n",
+"K = 5.3*10^6*e  //in J\n",
+"m = 1.6*10^-27  //in kg\n",
+"\n",
+"//Sample Problem 29-1\n",
+"printf('**Sample Problem 29-1**\n')\n",
+"v = sqrt(2*K/m)\n",
+"F = e*v*B\n",
+"printf('The magnitude of magnetic force acting on the proton is %eN', F)"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 29.2: Sample_Problem_2.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//Given that\n",
+"d = 1.5*10^-2  //in meter\n",
+"v = 4.0  //in m/s\n",
+"B = 0.050  //in T\n",
+"\n",
+"//Sample Problem 29-2a\n",
+"printf('**Sample Problem 29-2a**\n')\n",
+"//force is in right direction\n",
+"printf('The right surface will be at high potential\n')\n",
+"\n",
+"//Sample Problem 29-2b\n",
+"printf('\n**Sample Problem 29-2b**\n')\n",
+"F = v*B  //force per unit charge\n",
+"deltaU = d*F  //energy per unit charge = potential difference\n",
+"printf('The potential difference between the two surface is %1.1eV', deltaU)"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 29.3: Sample_Problem_3.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//Given that\n",
+"B = 80*10^-3  //in T\n",
+"V = 1000.0  //in V\n",
+"q = 1.6022*10^-19  //in C\n",
+"x = 1.6254  //in m\n",
+"conv = 1.6605*10^-27  //in kg/u\n",
+"\n",
+"//Sample Problem 29-3\n",
+"printf('**Sample Problem 29-3**\n')\n",
+"m = poly(0, 'm')\n",
+"r = x/2\n",
+"//r = m*v/(q*B)\n",
+"//v  = q*B*r/m\n",
+"m = 0.5*(q*r*B)^2/V/q\n",
+"printf('The mass of the particle is %ekg', m)"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 29.4: Sample_Problem_4.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"exec('degree_rad.sci', -1)\n",
+"\n",
+"//Given that\n",
+"e = 1.6*10^-19\n",
+"K = 22.5*e  //in J\n",
+"B = 4.55*10^-4  //in T\n",
+"theta = dtor(65.5)\n",
+"m = 9.11*10^-31  //in kg\n",
+"\n",
+"//Sample Problem 29-4\n",
+"printf('**Sample Problem 29-4**\n')\n",
+"q = e\n",
+"v = sqrt(2*K/m)\n",
+"r = m*v*sin(theta)/(q*B)\n",
+"T = 2*%pi*r/(v*sin(theta))\n",
+"p = v*cos(theta)*T\n",
+"printf('The pitch of the electron is equal to %fm', p)"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 29.5: Sample_Problem_5.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//Given that\n",
+"f = 12*10^6  //in Hz\n",
+"R = 53*10^-2  //in m\n",
+"q = 1.6*10^-19  //in C\n",
+"m = 3.34*10^-27  //in kg\n",
+"\n",
+"//Sample Problem 29-5a\n",
+"printf('**Sample Problem 29-5a**\n')\n",
+"B = 2*%pi*m*f/q\n",
+"printf('The magnitude of magnetic field should be %fT\n', B)\n",
+"\n",
+"//Sample Problem 29-5b\n",
+"printf('\n**Sample Problem 29-5b**\n')\n",
+"v = q*B*R/m\n",
+"K = 0.5*m*v^2\n",
+"printf('The kinetic energy of the deuteron will be %eJ', K)"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 29.6: Sample_Problem_6.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//Given that\n",
+"i = 28  //in A\n",
+"LD = 46.6*10^-3  //in kg/m\n",
+"g = 9.8  //in m/s^2\n",
+"\n",
+"//Sample Problem 29-6\n",
+"printf('**Sample Problem 29-6**\n')\n",
+"L = 1  //(say)\n",
+"m = LD*L\n",
+"B = m*g/i/L\n",
+"printf('The minimum magnetic field required to suspend the wire is equal to %eT', B)"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 29.7: Sample_Problem_7.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//Given that\n",
+"h = 2.1*10^-2  //in m\n",
+"w = 1.2*10^-2  //in m\n",
+"n = 250\n",
+"B = 0.23  //in T\n",
+"i = 100*10^-6  //in A\n",
+"theta = 28  //in degree\n",
+"\n",
+"//Sample Problem 29-7\n",
+"printf('**Sample Problem 29-7**\n')\n",
+"A = h*w\n",
+"T = B*i*n*A\n",
+"k = T/theta\n",
+"printf('The value of constant k is equal to %eN.m/degree', k)"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 29.8: Sample_Problem_8.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//Given that\n",
+"n = 250\n",
+"A = 2.52*10^-4  //in m^2\n",
+"i = 100*10^-6  //in A\n",
+"B = 0.85  //in T\n",
+"\n",
+"//Sample Problem 29-8\n",
+"printf('**Sample Problem 29-8**\n')\n",
+"mu = n*i*A\n",
+"U1 = -mu*B*cos(%pi/2)\n",
+"U2 = -mu*B*cos(0)\n",
+"W = U1 - U2\n",
+"printf('Work done is equal to %eJ', W)"
+   ]
+   }
+],
+"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
+}