15.04.2011 - 00:08
Re: How to electronically determine polarity of charged capacitor ?
On Thu, 14 Apr 2011 07:52:17 -0700 (PDT), George Herold
<ghe...@teachspin.com> wrote:
0
>On Apr 14, 10:33FFDam, Daku <daku...@gmail.com> wrote:
>> Could some electronics guru please help ? How would one electronically
>> determine the polarity of the plates of a charged capacitor ?
I read it to ask if there was a way to design a meter of some
kind that could let someone attach two leads to an
electrolytic capacitor (or any other type that might also be
polarized) and that it could automatically determine which of
the two leads was (+) and which was (-)
Yes, that makes more sense; instead of 'a charged capacitor'0
it would be 'a poled electrolytic capacitor'.
There's one way: the leakage should be greater in the 'wrong'
direction, so an AC source (transformer-coupled, you cannot
allow any DC for this) connected to the capacitor, and a good
DC meter, should show you the 'right' polarity. 0
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