Re: Bad monitor discharge instructions

From: Mark Spaeth <mspaeth_at_arcade.ne.mediaone.net>
Date: Mon Dec 20 1999 - 01:36:22 EST

 
> For anyone that remembers the formula (or can find it) for the amount of
> current stored in a capacitor, I measured a 13 inch picture tube on
> Saturday and came up with a value of 0.001 (102). This was between the
> anode cap and the chassis that it was mounted in. The tube was not
> connected to anything else.
>
> So @ 20KV what are we talking about? I left my Nomographs sitting on the
> filing cabinet.. somewheres...

Capacitors store charge, not current.

Q = C * V

at 1mf, 20kV, you're talking about 20C of charge... so 20A for 1s if
you're drawing constant current out... but normally you'd be discharging
across a constant(-ish) resistance and get exponential decay with more
current at first...
Received on Mon Dec 20 00:37:46 1999

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