Side
af
764
Forrige
Næste
348
Molesworth’s pocket-book
Electrical Formula, by Paget Higgs, LL.D., C.E.,
and R. S. Brough—continued.
Table for converting the resistance of Copper
Wire measured at 80° F. to the corresponding
resistance, at any temperature between 60° and
110° F. This Table can be used for 75° F. as
standard by shifting 75 on the temperature
column to correspond with 10,000, &c., on the
resistance columns.
JI § I § j § ( § § I § §J §J §
’ s ! s" i s' R . s ! s
60
61
62
63
64
65
66
67
68
69
70
71
$2
73
11
15
15
11
IS
19
80
961819237 28855
9638 19275 28913
965? 19313 28970
9676 19351 29027
9695 19390 29084
9714 19428 29142
973319466 29199
9752 19504 29256
' 9771 19542 29313
9790 19580 29370
9809 19618 29428
9828 19657 29485
I 9347 19695 29542
9866 19733,29599
9886 19771 29657
9905 198'19 29714
I 9924 19847 29771
9943 19896 29828
9962 19924 29886
9981 19962 29943
10000 20000 30000
38474 48092 57711
38550 48188 57825
38626 48283 5794U
38t03;48378 58054
38779(48474 58169
38855 48569 58283
38932 48665 58.398
39008|48?60 58512
39084 48855 58626
39161'48951 58741
39237 49046 58855
39313 49142 58970
3939o!49237 59084
39466149332 59199
39542,49428 59313
39618 49523 59428
39695|49018 59542
39791;49714 59657
39847 49809 59771
39924 49905 59886
40000 50000 60000
67329 76948’86566
67463 77100,86738
67596 11253" 86909
67739 77406 87081
67863 77558(87253
61991 77711 87426
68130 77863'87596
68264 78016 87768
68398 78169 87940
68531!78321 88111
68665 78474:88283
68798 78626188455
68932 78779 88626
69065 78932 88798
69199:79084 88970
69332 79237 89141
69466j79390!89313
69599 79582 89485
69733,79695189657
69866179847 89828
70000:80000|90000