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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter 21: Elecromagnetics"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Ex21.1:pg-1037"
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"The Wavelength of the Electromagnetic wave is lamda= 294.0 meters\n"
]
}
],
"source": [
" #Example 21_1\n",
" \n",
" \n",
" #To find the wavelength of the electromagnetic wave\n",
"v=3*10.0**8 #Units in meters/sec\n",
"f=1.02*10**6 #Units in Hz\n",
"lamda=v/f #Units in Meters\n",
"print \"The Wavelength of the Electromagnetic wave is lamda=\",round(lamda),\" meters\"\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Ex21.2:pg-1038"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"The value of the magnetic field is Bo=\n",
"1.4e-11\n",
"T\n"
]
}
],
"source": [
" #Example 21_2\n",
" \n",
" \n",
" #To find the value of magnetic field\n",
"eo=4.2*10**-3 #units in V/m\n",
"c=3*10**8 #Units in meters/sec\n",
"bo=eo/c #Units in T\n",
"print \"The value of the magnetic field is Bo=\"\n",
"print bo\n",
"print \"T\"\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Ex21.3:pg-1039"
]
},
{
"cell_type": "code",
"execution_count": 6,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"The value of Eo= 0.02448 N/C\n",
" The value of Bo= 8.16124749653e-11\n",
"T\n"
]
}
],
"source": [
" #Example 21_3\n",
"import math \n",
" #To find the values of Eo and Bo in the wave\n",
"power=1000 #Units in W\n",
"r=10000 #units in meters\n",
"area=4*math.pi*r**2 #units in meter**2\n",
"P_a=power/area #unts in W/meter**2\n",
"c=3*10**8 #units in meters/sec\n",
"eeo=8.85*10**-12 #units in C**2/N*meter**2\",round( ,5),\" \n",
"eo=math.sqrt((2*P_a)/(c*eeo)) #units in N/C\n",
"bo=eo/c #Units in T\n",
"print \"The value of Eo=\",round(eo,5),\" N/C\\n The value of Bo=\",\n",
"print bo\n",
"print \"T\"\n"
]
}
],
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},
"language_info": {
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"file_extension": ".py",
"mimetype": "text/x-python",
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"version": "2.7.11"
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"nbformat": 4,
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|
