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| author | root | 2014-07-14 15:31:28 +0530 |
|---|---|---|
| committer | root | 2014-07-14 15:31:28 +0530 |
| commit | cea77a632f1b20598ba2a1be1b77e6587920c2a0 (patch) | |
| tree | 0ac530caf18d10bd82bf11ffc1c96bfda13d0e39 /Basic_Electrical_Engineering_with_Numerical_Problems/Chapter_05.ipynb | |
| parent | 7b7e179ba5b3287d04539fc1826eba5d433eef6c (diff) | |
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diff --git a/Basic_Electrical_Engineering_with_Numerical_Problems/Chapter_05.ipynb b/Basic_Electrical_Engineering_with_Numerical_Problems/Chapter_05.ipynb new file mode 100755 index 00000000..9b5947aa --- /dev/null +++ b/Basic_Electrical_Engineering_with_Numerical_Problems/Chapter_05.ipynb @@ -0,0 +1,194 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:179d1aa791f84982595aec77701ac00e5f4718cb4b0fb539bad5702fddb2a8a1"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 5:Chemical and Heating Effects of Electric Current"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 5.1: Page 74:"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "from __future__ import division\n",
+ "import math\n",
+ "\n",
+ "#given data :\n",
+ "t=200;# time in sec\n",
+ "M=111.83;# silver in mg\n",
+ "I=0.5;# current in A\n",
+ "\n",
+ "#calculations:\n",
+ "Z=(M/(I*t*1000))*1000# electro-chemical-equivalent\n",
+ "\n",
+ "#Results\n",
+ "print \"E.C.E,Z(mg/C) = \",Z"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "E.C.E,Z(mg/C) = 1.1183\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 5.2: page 74:"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "from __future__ import division\n",
+ "import math\n",
+ "\n",
+ "#given data :\n",
+ "Z=0.329*10**-3# IN g/C\n",
+ "I=1 # in amperes\n",
+ "t=90*60# in seconds\n",
+ "\n",
+ "#calculation:\n",
+ "M=Z*I*t# in grams \n",
+ "A=200#area in centimete square\n",
+ "S=8.9#density in g/cc\n",
+ "T=(M)/(2*A*S)#thickness in cm\n",
+ "\n",
+ "#Results\n",
+ "print \"thickness of copper in cm is\", round(T,6)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "thickness of copper in cm is 0.000499\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 5.3: Page 76:"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "from __future__ import division\n",
+ "import math\n",
+ "\n",
+ "#given data:\n",
+ "w=15 # in kg\n",
+ "t1=15# in degree celsius\n",
+ "t2=100#in degree celsius\n",
+ "t=25 # time in minutes\n",
+ "I=10 # in ampere\n",
+ "n=85 #efficiency of conversion in percentage\n",
+ "\n",
+ "#calculations:\n",
+ "ho=w*(t2-t1)#output heat required in kcal\n",
+ "R=((ho*4187*100)/(I**2*t*60*n))# resistance in ohms\n",
+ "\n",
+ "#Results\n",
+ "print \"resistance in ohms\",R"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "resistance in ohms 41.87\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 3,
+ "metadata": {},
+ "source": [
+ "Example 5.4: page 76:"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "\n",
+ "from __future__ import division\n",
+ "import math\n",
+ "\n",
+ "#given data:\n",
+ "w=20 # in kg\n",
+ "t1=10# in degree celsius\n",
+ "t2=90#in degree celsius\n",
+ "t=2*3600+19*60+34# time in seconds\n",
+ "I=4 # in ampere\n",
+ "n=80 #efficiency of conversion in percentage\n",
+ "\n",
+ "#calculations:\n",
+ "ho=w*(t2-t1)#output heat required in kcal\n",
+ "V=((ho*4187*100)/(I*t*n))# POTENTIAL DROP IN VOLTS\n",
+ "\n",
+ "#Results\n",
+ "print \"potential drop across heater element in volts is\", V"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "potential drop across heater element in volts is 250.0\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
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