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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# CHAPTER 1: UNITS, DIMENSIONS AND STANDARDS"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 1-1, Page Number: 8"
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Total Magenetic Flux = 5.0 micro weber\n",
"Cross Section= 6.45e-04 meter square\n",
"Flux Density(B)= 7.75 mT\n"
]
}
],
"source": [
"import math\n",
"\n",
"#Variable Declaration\n",
"\n",
"phi=500*10**-8 #in weber\n",
"A=(1*1)*(2.54*10**-2)**2 #in meter square \n",
"\n",
"#Calculation\n",
"B=phi/A #in tesla \n",
"\n",
"#Results\n",
"print \"Total Magenetic Flux =\",phi*10**6,\"micro weber\"\n",
"print \"Cross Section=\",'%.2e' % A,\"meter square\"\n",
"print \"Flux Density(B)=\",round(B*10**3,2),\"mT\""
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 1-2, Page Number: 8"
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Celsius Temperature= 37.0 degree celsisus\n",
"Kelvin Temperature= 310.15 K\n"
]
}
],
"source": [
"import math\n",
"\n",
"#Variable Declaration\n",
"F=98.6 #Temperature =98.6 Farenheit \n",
"\n",
"#Calculations\n",
"\n",
"Celsius_temperature=(F-32)/1.8 #in Celsius\n",
" \n",
"Kelvin_temperature=(F-32)/1.8+273.15 #in Kelvin\n",
"\n",
"#Results\n",
"print \"Celsius Temperature=\",Celsius_temperature,\"degree celsisus\"\n",
"print \"Kelvin Temperature=\",round(Kelvin_temperature,2),\"K\"\n",
"\n",
"\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 1-3, Page Number: 10"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"The dimensions of Voltage and Resistance are expressed in array format[M L T I],\n",
"Voltage= [ 1 2 -3 -1]\n",
"Resistance= [ 1 2 -3 -2]\n"
]
}
],
"source": [
"import numpy as np\n",
"\n",
"# Powers of M, L,T,I are expressed in an array consisting of four elements\n",
"#Each array element represents the power of the corresponding dimension\n",
"#it is of the form [M,L,T,I]\n",
"\n",
"\n",
"P=np.array([1,2,-3,0]) #Dimesnion of Power\n",
"I=np.array([0,0,0,1]) #Dimension of Current\n",
"\n",
"E=P-I #As E=P/I, the powers have to be subtracted\n",
"\n",
"R=E-I #As R=E/I, the powers have to be subtracted\n",
"\n",
"print \"The dimensions of Voltage and Resistance are expressed in array format[M L T I],\"\n",
"print \"Voltage=\",E\n",
"print \"Resistance=\",R"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": []
}
],
"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
}
|
