1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
{
"metadata": {
"name": "",
"signature": "sha256:85ef8262dd8d094957ce6eda00a743c757c0eaabccf750168045359d519c0a4b"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"12: Superconductivity"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example number 12.1, Page number 294"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#importing modules\n",
"import math\n",
"from __future__ import division\n",
"\n",
"#Variable declaration\n",
"Tc = 9.2; #critical temperature of metal(K)\n",
"Bc = 1.05*10**5; #magnetic field(amp/m)\n",
"B0 = 1.5*10**5; #critical field(amp/m)\n",
"\n",
"#Calculation\n",
"T = math.sqrt((Tc**2)*(1-(Bc/B0))); #temperature of metal(K)\n",
"T = math.ceil(T*10**4)/10**4; #rounding off to 4 decimals\n",
"\n",
"#Result\n",
"print \"temperature of the metal is\",T,\"K\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"temperature of the metal is 5.0391 K\n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example number 12.2, Page number 295"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#importing modules\n",
"import math\n",
"from __future__ import division\n",
"\n",
"#Variable declaration\n",
"Tc1 = 4.185; #critical temperature of Hg(K)\n",
"M1 = 199.5; #isotopic mass(gm)\n",
"M2 = 203.4; #changed isotopic mass(gm)\n",
"\n",
"#Calculation\n",
"Tc2 = Tc1*math.sqrt(M1/M2); #changed critical temperature(K)\n",
"Tc2 = math.ceil(Tc2*10**3)/10**3; #rounding off to 3 decimals\n",
"\n",
"#Result\n",
"print \"changed critical temperature of Hg is\",Tc2,\"K\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"changed critical temperature of Hg is 4.145 K\n"
]
}
],
"prompt_number": 6
}
],
"metadata": {}
}
]
}
|
