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Re: capacitor with one long leg and one short leg

Assuming that they're electrolytics. (Shaped like a tin can, either
two legs from one end, or a leg at each end.)
The long leg is the postive (+) lead. There will also usually be a
very wide & visible black stripe running along one side of the
capacitor which will indicate the positive lead, or will have a symbol
"(-)" & an arrow ">" pointing towards the negative lead.
As someone has already mentioned, bipolar electros can be placed
either way around, *but* make sure that they *are* bipolar cap's
before soldering them in, because a normal (polarised) electro will go
*BANG!* if you put it in backwards & power it up! Bipolar electros
will normally be clearly marked with the word "bipolar" on the label.
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