The Discovery of Electron

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The discovery of electron was initiated by experiments on high-voltage electric discharge in low-pressure gas (vacuum) using a glass discharge tube. A tube filled with low-pressure gas charged with high voltage causes electric current (electrons) to run pass the two electrodes (cathode and anode). The electric current causes the gas in the tube to glow. In vacuum, the glow disappears and the area in front of the cathode becomes dark. However, the glass tube around the anode will fluoresce as the anode receives light from the cathode.

Keep enjoy this video about Thomson's Cathode Ray Tube

https://drive.google.com/file/d/1mu-_Dv1VIg0C2O5wGs95RoKNwBjMFfu6/view?usp=sharing

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