Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
I need to know what is the difference between an electromagnetic wave and a radio wave?
I came to know that frequencies below 3 kHz are electromagnetic waves but are they photos or something else?
If an iron core coil rod is connected with a frequency oscillator and AC is applied to the coil...
I bought a diametrically magnetised magnet like this (https://www.first4magnets.com/circular-disc-rod-magnets-c34/20mm-dia-x-20mm-thick-diametrically-magnetised-n42-neodymium-magnet-p3641) some time ago to build an electric generator.
I have been reading a little bit of information on the net...
I bought some weeks ago an electrical generator that uses water pressure to produce electricity.
I have disassembled the generator and I don't fully understand how it works.
It is like this one:
The motor
I supose that there is a magnet somewhere that alternates between north and south...
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