Discharge tube phenomena Electric discharge tube.

1
Discharge tube phenomenaElectric discharge tube.

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High voltage supply
Air at low pressure
To vacuum pump
2
Electric discharge tube
Anode
cathode
Violet streamers
Pressure 20 mm Hg
3
Electric discharge tube
Anode
cathode
Violet streamers
Pressure 20 mm Hg
4
Electric discharge tube
Anode
cathode
Violet streamers
Pressure 20 mm Hg
5
Electric discharge tube
Anode
cathode
Violet streamers
Pressure 20 mm Hg
6
Electric discharge tube
Anode
cathode
Violet streamers
Pressure 20 mm Hg
7
Electric discharge tube
Anode
cathode
Violet streamers
Pressure 20 mm Hg
8
Electric discharge tube
Anode
cathode
Violet streamers
Pressure 20 mm Hg
9
Electric discharge tube
Anode
cathode
Violet streamers
Pressure 20 mm Hg
10
Electric discharge tube
Blue negative glow
Anode
cathode
FDS
F D S
Pink positive column
Pressure 5 mm Hg
11
Electric discharge tube
Blue negative glow
Anode
cathode
FDS
F D S
Pink positive column
Pressure 5 mm Hg
12
Electric discharge tube
Blue negative glow
Anode
cathode
FDS
F D S
Pink positive column
Pressure 5 mm Hg
13
Electric discharge tube
Blue negative glow
Anode
cathode
FDS
F D S
Pink positive column
Pressure 5 mm Hg
14
Electric discharge tube
Blue negative glow
Anode
cathode
FDS
F D S
Pink positive column
Pressure 5 mm Hg
15
Electric discharge tube
Blue negative glow
Anode
cathode
FDS
F D S
Pink positive column
Pressure 5 mm Hg
16
Electric discharge tube
Blue negative glow
Anode
cathode
FDS
F D S
Pink positive column
Pressure 5 mm Hg
17
Electric discharge tube
Blue negative glow
Anode glow
Cathode glow
FDS
C D S
C D S
Pink positive column
Pressure 0.05 mm Hg
18
Electric discharge tube
Blue negative glow
Anode glow
Cathode glow
FDS
C D S
C D S
Pink positive column
Pressure 0.05 mm Hg
19
Electric discharge tube
Blue negative glow
Anode glow
Cathode glow
FDS
C D S
C D S
Pink positive column
Pressure 0.05 mm Hg
20
Electric discharge tube
Blue negative glow
Anode glow
Cathode glow
FDS
C D S
C D S
Pink striations
Pressure 0.05 mm Hg
21
Electric discharge tube
Blue negative glow
Anode glow
Cathode glow
FDS
C D S
C D S
Pink striations
Pressure 0.05 mm Hg
22
Electric discharge tube
Blue negative glow
Anode glow
Cathode glow
FDS
C D S
C D S
Pink striations
Pressure 0.05 mm Hg
23
Electric discharge tube
Blue negative glow
Anode glow
Cathode glow
FDS
C D S
C D S
Pink striations
Pressure 0.05 mm Hg
24
Electric discharge tube
Blue negative glow
Anode glow
Cathode glow
FDS
C D S
C D S
Pink striations
Pressure 0.05 mm Hg
25
Electric discharge tube
Blue negative glow
Anode glow
Cathode glow
FDS
C D S
C D S
Pink striations
Pressure 0.05 mm Hg
26
Electric discharge tube
Blue negative glow
Anode glow
Cathode glow
FDS
C D S
C D S
Pink striations
Pressure 0.05 mm Hg
27
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
28
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
29
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
30
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
31
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
32
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
33
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
34
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
35
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
36
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
37
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
38
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
39
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
40
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
Crookes dark space
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
41
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
Crookes dark space
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
42
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
Crookes dark space
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
43
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
Crookes dark space
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
44
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
Crookes dark space
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
45
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
Crookes dark space
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
46
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
Crookes dark space
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
47
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
Crookes dark space
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
48
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
Crookes dark space
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
49
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
Crookes dark space
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
50
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
Crookes dark space
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
51
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
Crookes dark space
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
52
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
Crookes dark space
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
53
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
Crookes dark space
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence
54
Electric discharge tube
Anode glow
Cathode glow
Cathode rays
Crookes dark space
C D S
Pressure 0.01mm Hg or less
Glass glows green fluorescence