Re: Amusing problem about DC polarity
- From: ehsjr <ehsjr@xxxxxxxxxxxxxxxx>
- Date: Mon, 12 Jun 2006 03:39:27 GMT
James Beck wrote:
In article <plri82pn06rufibnbpb6tcm163o3utj914@xxxxxxx>, mart_in_medina@xxxxxxxxxxx says...
On 9 Jun 2006 00:29:41 -0700, in sci.electronics.design "siliconmike"
<siliconmike@xxxxxxxxx> 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?
I'll ask the cat
martin
What if it's dead?
Who are you gonna' ask then?
Who you gonna call? Ghostbusters!
.
- References:
- Amusing problem about DC polarity
- From: siliconmike
- Re: Amusing problem about DC polarity
- From: martin griffith
- Re: Amusing problem about DC polarity
- From: James Beck
- Amusing problem about DC polarity
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