| DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
|---|
| 5D40.00 | Conduction in Gases | | |
| 5D40.10 | Jacob's ladder | PIRA 200 | A arc rises between rabbit ear electrodes attached to a high voltage transformer. |
| 5D40.10 | Jacob's ladder | 5K40.10 | A arc rises between rabbit ear electrodes attached to a high voltage transformer. |
| 5D40.10 | Jacob's ladder | Em-3 | A spark forms across "rabbit ears" on a 15 KV transformer. |
| 5D40.10 | Jacob's ladder | A-7 | Jacob's ladder and other spark demonstrations. Diagram. |
| 5D40.10 | climbing spark | E-11b | A 15 KV transformer is hooked to rabbit ears. |
| 5D40.10 | Jacob's ladder | Disc 25-08 | Apply high voltage AC to rabbit ears. |
| 5D40.20 | conduction of gaseous ions | PIRA 1000 | |
| 5D40.20 | conduction of gaseous ions | E-50 | A nearby flame will discharge an electroscope. |
| 5D40.21 | discharge with flame | Eb-4 | A flame connected to a high voltage source is inserted between charged parallel plates. |
| 5D40.25 | blowing ions by a charged plate | 30-4.6 | Compressed air blows ions from a flame through the area between charged parallel plates onto a mesh hooked to an electrometer. |
| 5D40.25 | discharge by ions in a tube | 30-4.7 | Electrodes
at the bottom, middle, and top of a tube are connected to an electrometer
while a Bunsen flame is burned at the bottom. |
| 5D40.27 | recombination of ions | A-4 | Ions from a flame are drawn past a series of charged plates attached to a Zeleny electroscope. |
| 5D40.28 | separating ions from flame | E-51 | Shadow
project a flame between two charged metal plates to observe separation of
gas into two streams of oppositely charged ions. |
| 5D40.30 | ionization by radioactivity | PIRA 1000 | |
| 5D40.30 | ionization by radioactivity | A-112 | Discharge an electroscope with a radioactive source. |
| 5D40.32 | ionization in air | A-1 | Various sources of ionization are brought near parallel wires attached to a 100 V battery and a Zeleny electroscope. |
| 5D40.33 | saturation | A-2 | The voltage across
a plate close to a wire mesh is increased with a radioactive source nearby
and the current is observed with a Zeleny electroscope. |
| 5D40.34 | ion mobilities | A-3 | A second mesh is inserted into the apparatus of A-2 and an alternating potential increased until the electroscope oscillates. |
| 5D40.35 | conduction in air by ions | 30-4.3 | An
electrometer measures the current between parallel plates as a flame is burned
between them or an alpha source is held nearby. |
| 5D40.36 | Cerberus smoke detector | 30.4.8 | Combustion products decrease conductivity in a chamber with an alpha source. |
| 5D40.40 | conduction from a hot wire | PIRA 1000 | |
| 5D40.40 | conduction from hot wire | 30-4.4 | A constantan wire held near a charged electroscope causes discharge when it is heated red hot. |
| 5D40.41 | thermionic effect | ref. | see 5P10.11 |
| 5D40.41 | thermionic effect in air | A-77 | A Zeleny electroscope indicates electron emission from a wire when it is heated. |
| 5D40.42 | thermionic emisson | PIRA 1000 | |
| 5D40.42 | thermionic emission | Disc 25-03 | A commercial tube. Apply 90 V forward and reverse and monitor the current. |
| 5D40.50 | neon bulb | PIRA 1000 | |
| 5D40.50 | neon bulb resistivity | Disc 18-08 | A neon lamp lights at about 80 V and shuts off at about 60 V. |
| 5D40.80 | x-ray ionization | PIRA 1000 | |
| 5D40.80 | ionization by X-rays | A-103 | Discharge an electroscope with X-rays. |
| 5D40.80 | x-ray ionization | Disc 24-20 | Discharge an electroscope with x-rays. |
| 5D40.81 | ionization by X-rays | A-104 | An X-ray beam is passed through a simple ionization chamber. |
| 5D40.99 | electrohydrodynamics | AJP 49(7),695 | read this again - practical examples are ink jet printing and electrically driven convection. |