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YouTubeIdeonaut
How Does a Dynamo Light a Bulb? ⚡ No Battery Needed!
Can a bulb glow without a battery? Yes — with a dynamo! In this short video, discover how a simple rotating device can generate electricity using science alone. 🔍 What you’ll learn: What is a dynamo? How does it generate electricity? How it powers lights in bicycles, torches, and generators A fascinating piece of everyday science ...
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