capacitor with one long leg and one short leg

I am trying to assemble a DIY 1 watt amp kit set. It comes with some capacitors that each one has one long leg and one short leg. Would somebody please tell me which leg is positive? Thank you in advance.

somebody

The long 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.

--
   W          
 . | ,. w ,   "Some people are alive only because
  \|/  \|/     it is illegal to kill them."    Perna condita delenda est
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It is written on the body of cap. I assume you are talking about electrolitic ones. '-' is shown on the body. If cap is bi-polar, it does not matter how you insert it.

Rudolf