Re: Expressing fractions

From: Harlan Messinger (h.messinger_at_comcast.net)
Date: 01/06/05 

Date: Thu, 6 Jan 2005 13:47:56 -0500

"Paul J Kriha" <paul.nospam.kriha@paradise.net.nz> wrote in message
news:41dba6a7@clear.net.nz...
> When you have to repair or test equipment under current
> the trick is never to work with both hands, the golden rule
> is to keep always one hand behind you back. That way
> you keep the heart out of "the loop" and most serious
> injuries you suffer are cuts and bruises caused by your
> hand hitting adjacent equipment's sharp edges when your
> muscles involuntarily contract. Youch again, but you live
> to youch another day. :-)

That's the part I don't understand. If you put a resistance between the
terminals of another power source, and then another one and another one and
another one, all in parallel, electricity takes every route it can find
between the terminals, and the total current flowing through all the
resistances is the sum of the currents that would have flowed through each
resistance of each had been applied alone.

If you lay a finger across or a hand across both terminals of a power
source, it would seem to me that every possible path through your body is a
path that electricity can follow, and therefore electricity would course
throughout your body, not just within your hand--even if your shoes and
clothing are made of insulating material. What's faulty about this analysis?

Relevant Pages

  • Re: Expressing fractions
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  • Re: Expressing fractions
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