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Direct current is the flow of electrons towards a single direction. It is very simple to visualize direct current using the “water circuit” model; simply think of water flowing towards one direction inside a pipe. Common devices producing direct current are solar cells, batteries and dynamo generators. Almost everything can be developed to be powered by a DC current source and it is almost exclusively used in any low voltage, mobile and electronics applications. DC current is pretty straightforward and almost everything is based on Ohm's Law (V = I * R). The power of a DC load is measured in Watts and equals P = V * I (Watts).
I can safely say I am still as lost as I was before I read it 🙂
My head hurts, really good read, I managed to pick up bits and pieces, the last page was purely “WTF” however. Ill just leave PSU testing to you people, ill read them and buy the one that gets a good score !
Read it slowly, makes more sense. I read it three times adn think I picked up most of it. bit over my level of skill
Yeah, im back off to playing Red Dead Dedemption. I am sure a lot of people love these editorials, but im lost. im just stupid 🙂
Good article, its a bit short though, needed more information. I think I managed to fill in a few of the blanks
ermmm. I was excited on the first page, 2 and 3 pages were good, 4th page, still struggling to break it all down. I suppose we need some skills with eletrics in the first place.
Very very very interesting article, mostly because I just had my physics exam, so I don’t hate this kind of things anymore! 😀
I have my physics exam on electronics in about a week – thanks Z, it all made sense to me 😀
This was very useful. Read it twice cus it’s hard to focus inna room full of kids.