The diagram below represents a cathode ray oscilloscope (CRO)

      

The diagram below represents a cathode ray oscilloscope (CRO)
p5420191149.png
i) Name the parts labeled A and B
ii) What are the functions of C and D?
iii) State how electrons are produced
iv) Give a reason why the tube is evacuated.

  

Answers


sharon
i) A – Grid
B- Electron gun

ii) C – Vertical deflection of the beam
D- Horizontal deflection of the beam

iii) – By thermionic emission as heating the filament

iv) Tube is evacuated to eliminate collisions of cathode rays with air molecules.
sharon kalunda answered the question on April 5, 2019 at 08:50


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