Basic electronic components
Nowadays most of us cannot imagine life without the electronic devices which surround us. They are everywhere, and often we even forget about their existence: mobile phones, TV sets, mp3 players, electronic watches or even alarm clocks. Most people do not reflect on how and why these everyday appliances work. But being a geek requires at least some basic technical knowledge about the surrounding world.
As you probably remember from early science lessons, the electric current is an organized flow of electrons and ions in a conductor. But to make those tiny particles move, there must be some kind of force.…
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