![Describe with the aid of a well labelled diagram, the structure and mode of operation of a C.R.O Describe with the aid of a well labelled diagram, the structure and mode of operation of a C.R.O](https://digitalteachers.co.ug/wp-content/uploads/2021/04/Bbosa3.jpg)
Describe with the aid of a well labelled diagram, the structure and mode of operation of a C.R.O
Describe with the aid of a well labelled diagram, the structure and mode of operation of a C.R.O
The cathode ray oscilloscope consists of
- cathode C (Electron gun) produces electron by thermionic emission
- Grid G controls number of electrons reaching the screen
- Anodes, A accelerate electrons
- Y and X- plates deflect electrons vertically and horizontally respectively
- The screen is coated with zinc sulphide to glow when hit by electron
- Time base is connected to X- plates and provides a saw tooth p.d that sweep the electron spot from left to right of the screen at steady speed
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CATEGORIES A-level modern physics
TAGS Dr. Bbosa Science