polarized & non-polarized capacitor

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onlyvinod56

Joined Oct 14, 2008
369
Hi, what is the difference between polarized & non-polarized capacitor? why & where do we need a polarized capacitor? What happens if a non-polarized capacitor is connected instead of a polarized?
 

Bernard

Joined Aug 7, 2008
5,784
Non polorized caps are where polarity changes [AC] as in motor starting, audio crossovers neteorks; polorized caps need predomently DC of correct polarity. Sometimes two polorized caps are connected + to + or - to - to synthisize a polar cap for low level AC.
 
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