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{
"metadata": {
"name": "",
"signature": "sha256:188a137b5dad28c9242953d4ba18308d43530d869157a87980207688e00b52f5"
},
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"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 20 Measurment of power"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 20.1 Page no 721"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Given\n",
"V1=20 #volts\n",
"V2=30 #Volts\n",
"R1=100 #ohm\n",
"\n",
"#Calculation\n",
"p=(V2**2-V1**2)/(4.0*R1)\n",
"\n",
"#Result\n",
"print\"RF test power is \", p,\"Watt\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"RF test power is 1.25 Watt\n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 20.2 Page no 725"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Given\n",
"m=200 #gm\n",
"sp=1 #cal/gm degree C\n",
"T1=30 #degree C\n",
"T2=40 #degree C\n",
"\n",
"#Calculation\n",
"P=4.18*m*sp*(T2-T1)\n",
"\n",
"#Result\n",
"print\"The power is \",round(P*10**-3,1),\"K watt\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The power is 8.4 K watt\n"
]
}
],
"prompt_number": 10
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 20.3 Page no 728"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#given\n",
"V1=8.0 #Volts\n",
"V2=2.0 #Volts\n",
"\n",
"#Calculation\n",
"SWR=(V1+V2)/(V1-V2)\n",
"print\"The standing wave ratio is \", round(SWR,2)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The standing wave ratio is 1.67\n"
]
}
],
"prompt_number": 14
}
],
"metadata": {}
}
]
}
|
