Re: Amusing problem about DC polarity
- From: "redbelly" <redbelly98@xxxxxxxxx>
- Date: 9 Jun 2006 16:57:08 -0700
siliconmike wrote:
Imagine a black plastic box that takes in DC power but has no polarity
markings on its power socket.
The problem is to experimentally determine the correct DC polarity
without opening the box and without letting the box die.
How close can we come?
So, we don't even know what the voltage should be?
Mark
.
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- Amusing problem about DC polarity
- From: siliconmike
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