- To display waveform of waves
- To measure the potential difference
- To measure short time interval
- To test electronic equipments
A voltage applied to the x-plates can pull the electron beam side to side (along the x-axis), and a voltage applied to the y-plates can pull the electron beam up and down (along the y-axis). Vacuum inside the CRO tube is to allow electrons to move freely.
How we produce a colour TV?
What are the x-plates and the y-plates made of? If electrons where to accelerate away from the cathode electrode to the anode, will the anode electrode alter it's chemical properties? How is the fluorescent light produced from the electrons?
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