Physics307L F08:People/Le/Notebook/071203

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

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