Amusing problem about DC polarity
- From: "siliconmike" <siliconmike@xxxxxxxxx>
- Date: 9 Jun 2006 00:29:41 -0700
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?
.
- Follow-Ups:
- Re: Amusing problem about DC polarity
- From: Barry Lennox
- Re: Amusing problem about DC polarity
- From: siliconmike
- Re: Amusing problem about DC polarity
- From: Paul Hovnanian P.E.
- Re: Amusing problem about DC polarity
- From: Genome
- Re: Amusing problem about DC polarity
- From: redbelly
- Re: Amusing problem about DC polarity
- From: almo
- Re: Amusing problem about DC polarity
- From: Richard Henry
- Re: Amusing problem about DC polarity
- From: Fred Bloggs
- Re: Amusing problem about DC polarity
- From: mc
- Re: Amusing problem about DC polarity
- From: martin griffith
- Re: Amusing problem about DC polarity
- From: Jason S
- Re: Amusing problem about DC polarity
- From: Roger
- Re: Amusing problem about DC polarity
- From: Tim Williams
- Re: Amusing problem about DC polarity
- Prev by Date: Re: generic snubber
- Next by Date: Re: Top posting
- Previous by thread: Battery type detection - rechargeable or not?
- Next by thread: Re: Amusing problem about DC polarity
- Index(es):
Relevant Pages
|
