1 files changed, 136 insertions, 0 deletions
diff --git a/Grob's_Basic_Electronics_by_M._E._Schultz/Chapter23.ipynb b/Grob's_Basic_Electronics_by_M._E._Schultz/Chapter23.ipynb
new file mode 100644
index 00000000..59551e45
--- /dev/null
+++ b/Grob's_Basic_Electronics_by_M._E._Schultz/Chapter23.ipynb
@@ -0,0 +1,136 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Chapter 23 : Alternating Current Circuits"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Example No. 23_1 Page No.  715"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Total Impedence Zt = 38.18 Ohms\n",
+      "Current I = 0.00 Ampers\n",
+      "i.e 1.31 mAmps\n",
+      "Theta z = 45.00 Degree\n"
+     ]
+    }
+   ],
+   "source": [
+    "from math import sqrt,atan,pi\n",
+    "# A 27-Ohms R is in series with 54 Ohms\u0004 of Xl and 27 Ohms\u0004 of Xc. The applied voltage Vt is 50 mV. Calculate ZT, I, and Theta z.\n",
+    "\n",
+    "# Given data\n",
+    "\n",
+    "R = 27.#         # Resistance=27 Ohms\n",
+    "Xl = 54.#        # Inductive reactance=54 Ohms\n",
+    "Vt = 50.*10**-3#  # Applied voltage=100 Volts\n",
+    "Xc = 27.#        # Capacitive reactance=27 Ohms\n",
+    "\n",
+    "nXl = Xl-Xc#    # Net Inductive reactance\n",
+    "R1 = R*R#\n",
+    "nXl1 = nXl*nXl#\n",
+    "\n",
+    "Zt = sqrt(R1+nXl1)#\n",
+    "print 'Total Impedence Zt = %0.2f Ohms'%Zt\n",
+    "\n",
+    "I = (Vt/Zt)#\n",
+    "print  'Current I = %0.2f Ampers'%I\n",
+    "print 'i.e 1.31 mAmps'\n",
+    "\n",
+    "Oz = atan(Xc/R)*180/pi\n",
+    "print  'Theta z = %0.2f Degree'%Oz"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Example No. 23_2 Page No. 717"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "The Total Current It = 0.00 Amps\n",
+      "i.e 2.55 mAmps\n",
+      "The Equivqlent Impedence Zeq = 19.64 Ohms\n",
+      "approx 19.61 Ohms\n",
+      "Theta z = -45.00 Degree\n"
+     ]
+    }
+   ],
+   "source": [
+    "from math import atan,pi,sqrt\n",
+    "# The following branch currents are supplied from a 50-mV source: Ir=1.8 mA# Il=2.8 mA# Ic=1 mA. Calculate It, Zeq, and Theta I.\n",
+    "\n",
+    "# Given data\n",
+    "\n",
+    "Va = 50.*10**-3#      # Applied voltage=50m Volts\n",
+    "Ir = 1.8*10**-3#     # Ir=1.8 mAmps\n",
+    "Il = 2.8*10**-3#     # Ir=2.8 mAmps\n",
+    "Ic = 1.*10**-3#       # Ic=1 mAmps\n",
+    "\n",
+    "nI = Il-Ic#         # net current\n",
+    "Ir1 = Ir*Ir#\n",
+    "nI1 = nI*nI#\n",
+    "\n",
+    "It = sqrt(Ir1+nI1)#\n",
+    "print 'The Total Current It = %0.2f Amps'%It\n",
+    "print 'i.e 2.55 mAmps'\n",
+    "\n",
+    "Zeq = Va/It#\n",
+    "print 'The Equivqlent Impedence Zeq = %0.2f Ohms'%Zeq\n",
+    "print 'approx 19.61 Ohms'\n",
+    "\n",
+    "Oz = atan(-(nI/Ir))*180/pi\n",
+    "print 'Theta z = %0.2f Degree'%Oz"
+   ]
+  }
+ ],
+ "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
+}