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{
"metadata": {
"name": "Chapter9"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": "Superconducting Materials"
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": "Example number 9.1, Page number 255"
},
{
"cell_type": "code",
"collapsed": false,
"input": "#To calculate the critical magnetic field intensity\n\n#importing modules\nimport math\n\n#Variable declaration\nH0 = 6.5*10**4; #magnetic field intensity(A/m)\nT = 4.2; #temperature(K)\nTc = 7.18; #critical temperature(K)\n\n#Calculation\nHc = H0*(1-((T**2)/(Tc**2))); #critical magnetic field intensity(A/m)\nHc = Hc*10**-4;\nHc=math.ceil(Hc*10**3)/10**3; #rounding off to 3 decimals\n\n#Result\nprint \"critical magnetic field intensity is\",Hc,\"*10**4 A/m\"",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "critical magnetic field intensity is 4.276 *10**4 A/m\n"
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": "Example number 9.2, Page number 255"
},
{
"cell_type": "code",
"collapsed": false,
"input": "#To calculate the isotopic mass\n\n#importing modules\nimport math\n\n#Variable declaration\nTc1 = 4.185; #critical temperature for M1(K)\nTc2 = 4.133; #critical temperature for M2(K)\nM1 = 199.5; #isotopic mass\nalpha = 0.5;\n\n#Calculation\nA = math.pow(M1,alpha)*Tc1/Tc2;\nM2 = math.pow(A,1/alpha); #isotopic mass\nM2=math.ceil(M2*10**3)/10**3; #rounding off to 3 decimals\n\n#Result\nprint \"isotopic mass is\",M2\nprint \"answer given in the book is wrong\"",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "isotopic mass is 204.552\nanswer given in the book is wrong\n"
}
],
"prompt_number": 3
},
{
"cell_type": "code",
"collapsed": false,
"input": "",
"language": "python",
"metadata": {},
"outputs": []
}
],
"metadata": {}
}
]
}
|
