ELECTRON TUBES S

The following topics can be discussed with this highly evacuated tube:  •  Quantitative analysis of inelastic collisions between electrons and Helium atoms  •  Determination of the ionization energy  ... more

The tube holder accommodates the entire range of tubes model S designed for practical experiments, along with their accessories such as Helmholtz coils S (1000611) and an auxiliary coil (1000645), and can also serve as the base for the discharge ... more

The Helmholtz coils are used to create magnetic fields for deflecting electron beams and are attached to the tube holder S (1014525). The tube holder allows the coils to be set up in Helmholtz configuration or at varying distances. The resulting ... more

The following topics can be discussed with this highly evacuated tube:  •  Edison-Richardson-Effect, thermionic emission •  Diode characteristics, space charge region, Schottky-Langmuir law •  ... more

The following topics can be discussed with this highly evacuated tube:  •  Edison-Richardson-Effect, thermionic emission •  Determining the negative charge of electrons •  Recording triode characteristics ... more

The following topics can be discussed with this highly evacuated tube:  •  Luminescence of different phosphors when excited by electrons (cathodoluminescence) •  Luminescence of different phosphors when excited ... more

The following topics can be discussed with this highly evacuated tube:  •  Linear propagation of cathode rays / of electron beams •  Electrostatic charging effects •  Electron deflection by ... more

The following topics can be discussed with this highly evacuated tube:  •  Evidence of the particle nature of cathode beam •  Establishment of the polarity of cathode beam •  Estimation of the ... more

The following topics can be discussed with this highly evacuated tube:  •  Investigate the deflection of an electron beam by a magnetic field •  Investigate the deflection of an electron beam by an electric field ... more

The following topics can be discussed with this helium-filled, partial-vacuum electron tube:  •  Discharge, evidence of positive charge carriers •  The IA – UA characteristic of a thyratron •   ... more

The following topics can be discussed with this Neon-filled, partial-vacuum electron tube:  •  Discharge, evidence of positive charge carriers •  The IA – UA characteristic of a thyratron ... more

The following topics can be discussed with this Neon-gas filled, partial-vacuum electron tube:  •  Determination of the specific charge e/m for tangential injection and perpendicular magnetic field •  Observation ... more

The following topics can be discussed with this highly evacuated tube:  •  Illustration of the wave nature of electrons •  Determination of the wavelength of electrons depending on the anode voltage •  ... more

For observing phenomena (for example cathode glow, positive column, canal rays) that occur during electrical discharge in a variety of gases at various pressures. Either end of the discharge tube is equipped with a fluorescent screen, and ... more

The quality of the electron beam in electron defraction tube S (1013889) is affected by the resistance between sockets C5 (cathode) and F4 (heating filament) on the tube. For optimum results, the resistance needs to be 390 kΩ. Tube holder ... more