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
|
{
"metadata": {
"name": "",
"signature": "sha256:37bb87f048a2d4a670b09cf05bff6f5c622ef838c4da8caa7225a316e1b26b5e"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 20: Fuses"
]
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"Example 20.1, Page Number: 495"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"from __future__ import division\n",
"\n",
"#Variable declaration:\n",
"r1 = 0.8 #radius of fuse wire(mm)\n",
"I1 = 8 #blow current at r1 radius(A)\n",
"I2 = 1 #blow current(A)\n",
"\n",
"\n",
"#Calculation:\n",
"r2 = r1*(I2/I1)**(2/3) #radius for bearing 1 A of blow current(mm)\n",
"\n",
"\n",
"\n",
"#Result:\n",
"print \"The radius of the wire that will blow off at a current of 1A is\",r2,\"mm\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The radius of the wire that will blow off at a current of 1A is 0.2 mm\n"
]
}
],
"prompt_number": 1
}
],
"metadata": {}
}
]
}
|