Скачать или смотреть How to make working model of a wind turbine from cardboard without Battery🔋 | school project

in this video, I show you how to make a wind turbine model from cardboard. For blowing the air I use a stand fan here.
If you have any questions, you can ask me in the comments
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It is not connected with battery because it is based on principle of DC generator. Let me explain, in motor we have some copper windings and two magnets. If we can rotate those copper windings between those two magnets current is induced in the loop ( based on the principle of Fleming's right hand rule ), this electricity is transfer to L.E.D bulb that is the reason why the bulb blinks without any battery. Here I use a permanent magnet DC motor so it can be used as a DC generator. Configuration of DC motor is 12 volt 3400 r.p.m and 3 volt L.E.D. To make the fan ( which is fixed with the motor shaft ) rotate we have to blow it with some external wind source. For this I use a table fan but it is not shown in the video....


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