Cathode-ray tube and electric field apparatus
Cathode ray tube with electrostatic deflection: An electric field deflects the electron beam, with its position visible on a fluorescent screen.
Electrostatics demonstration device: cathode ray tube with electrostatic deflection on the base. Designed for 5 demonstrations: obtaining a beam of cathode rays and observing its luminous trace on a luminescent screen, deflection of the beam in an electric field, identifying the particles’ negative charge from the direction of deflection, dependence of the deflection angle on the voltage between the electrodes and experiment with grounding one deflection electrode without a separate high voltage source. Shows the principle behind an oscilloscope.
- 1.Cathode ray tube (electrostatic deflection) on the base - 1 pc.
- Obtaining a beam of cathode rays in a vacuum tube and observing its luminous trace (stripe) on a luminescent screen
- Deflection of cathode rays (electron beam) in an electric field
- Proof that cathode rays are a stream of negatively charged particles (electrons): the deflection occurs towards the electrode with a higher potential
- Dependence of the beam deflection angle on the voltage between the deflecting electrodes (field strength)
- Beam deflection in an electrostatic field created by grounding one deflection electrode while the second is unconnected - without a separate high voltage source for the deflection system
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