GOOD ANIMATION VIDEOS ON CYCLOTRON AND MOVING COIL GALVANOMETER 

https://youtu.be/Gzqdcussk7k?si=doGS0w14YI4eDwqv

Galvanometer : how it works in hindi galvanometer 12th class construction and working animation HD

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https://youtu.be/CqW5rmmqv_Y?si=QXXWGhzqTHphxn_J

Working of Moving Coil Instruments

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https://youtu.be/pmx57Nsn4e8?si=21i5SoOVXhr-txI2

7D30.70 - Cyclotron Demonstration Model

https://youtu.be/unydXO6Yenw?si=yNnt3yQd4TgP6cJ9

What is a cyclotron, the physics behind its working and why.

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https://youtu.be/m2jp0klZHEE?si=qjidZSoX4QDmnL3H

Principle and Working of Cyclotron