Does anyone know which is the positve end of a cap? (capacitor) (THIS QUESTION HAS BEEN REVISED! COME TAKE A LOOK PLEASE)
Do you know hwo i could tell?
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Ok guys heres another question for you, (by the way im using those black capaitors that you get 330 v out of, and that come in disposable cameras) oh and its a radial cap
um
im trying to wire about caps to 3 model car motors, so i can have a rather large boost for a pinewood derby car. When i do complete the circut all i get is a laege spark and a pop. HELP ME PLEEEEASE!!
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Most (but not all) electrolytic caps are polarized. AFAIK, all tantalums are polarized.
Some caps are non-polarized, however (the square brown cap for example.) Ceramics are non-polarized. Polypro, polyester, etc. usually aren't, especially in values smaller than 1uF.
Maybe your cap isn't polarized...
Refer to this photo:
http://en.wikipedia.org/wiki/File:Capacitors_electrolytic.jpg
Axial on top, radial is on bottom. If you could supply that info, we could probably give you a more definitive answer.
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