Physics307L F07:People/Le/Notebook/071203

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Final day for data

Millikan Oil Drop

spacer: 7.62mm, 7.60mm, 7.61mm

stopwatch applet http://www.pccl.demon.co.uk/java/stopwatch.html

Contents

data

trial 1a

resist= 2.086 ohms

temp 26 c

viscosity=1.8520

voltage= 500V

Times Fall Time Rise Time
0
31.609 31.609
43.281
49.297 6.016
59.016
88.293 29.227
1:32.687
1:38.500 5.813
1:46.000
2:17.297 31.297
2:20.953
2:26.328 5.375
2:39.141
3:14.875 35.734
3:19.875
3:25.891 6.016
3:34.844
4:03.469 28.625
4:09.156
4:15.469 6.313
Avg Fall Avg Rise
31.2984 5.9066

a2

resistance 2.023

temp 25c

viscosity 1.8480

voltage 503.7

Time Fall Time Rise Time
0
27.875 27.875
31.797
34.594 2.797
49.813
79.282 29.469
1:22.000
1:25.141 3.141
1:37.032
2:11.485 34.453
2:16.438
2:19.047 2.609
2:32.141
3:02.500 30.359
may have lost droplet
3:08.469
3:10.219 1.75
Avg Fall Avg Rise
30.539 2.849

trial 2

resist 1.990

temp 25c

viscosity 1.8480

voltage 500.2v

Time Fall Time Rise Time
0
23.953 23.953
31.422
39.750 8.328
47.906
71.390 23.484
1:17.406
1:25.187 7.781
1:27.765
1:49.094 21.329
1:55.625
2:03.047 7.422
2:11.406
2:31.875 19.469
2:38.140
2:45.609 7.469
2:48.750
3:12.172 23.422
3:17.625
3:25.953 8.328
3:32.781
3:57.547 24.766
4:05.890
4:13.406 7.516
Avg Fall Avg Rise
22.737 7.807

2b

resist 1.951

temp 26c

viscosity 1.8520

voltage 5.009

Time Fall Time Rise Time
0
25.344 25.344
31.375
39.750 8.375
55.625
77.484 21.859
1:21.391
1:29.625 8.234
1:35.469
1:58.094 22.625
2:04.641
2:12.250 7.609
2:17.078
2:42.563 25.485
2:46.859
2:54.766 7.907
Avg Fall Avg Rise
23.828 8.031

trial 3

resistance 1.978

temp 26c

viscosity 1.8520

voltage 499.9

Time Fall Time Rise Time
0
15.593 15.593
24.250
39.031 14.781
46.906
64.64 17.734
1:13.406
1:27.000 13.594
1:34.375
1:50.140 15.765
1:59.203
2:13.375 14.172
2:20.187
2:37.312 17.125
2:44.187
2:57.953 13.766
3:04.250
3:19.359 15.109
3:25.531
3:39.828 14.297
Avg Fall Avg Rise
16.265 14.722

3b

resistance 1.975

temp 25.5

viscosity 1.850

voltage 501.2

Time Fall time Rise time
0
17.375 17.375
26.968
28.828 1.86

4

resistance 1.974

temp 25.5

viscosity 1.850

voltage500.2

Time Fall Time Rise Time
0
21.344 21.344
26.953
34.141 7.188
38.828
58.250 19.422
1:04.469
1:10.781 6.312
1:14.984
1:39.297 24.313
1:44.219
1:51.203 6.984
1:57.500
2:17.328 19.828
2:24.859
2:30.859 6
2:56.937 ugh, lost data pt
3:01.875
3:09.406 7.531
Avg Fall Avg Rise
21.226 6.803

4b

resistance 1.956

temp 26c

viscosity 1.8520

voltage 500.9

Time Fall Time Rise Time
0
23.562 23.562
31.375
38.234 6.859
44.703
1:06.656 21.953
1:12.625
1:19.703 7.078
1:22.172
1:47.297 25.125
1:50.953
1:58.109 7.156
2:04.391
2:33.422 29.031
Avg Fall Avg Rise
22.417 7.031
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