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Article #9830

Re: 3dB rolloff of a human (was Re: HELP!)

#9830
From: Bob Myers
Date: Mon, 28 Jan 1991 19:50
24 lines
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>To clear up:
>        1) Voltage is analogous to pressure.
>        2) Amperage is analogous to flow rate.
>        3) WATTAGE is analogous to force.

Not exactly.  "Wattage" is, as you may recall, NOT analogous to force but
IS an expression of *power*.  Voltage - more precisely, electric potential -
IS a force.  Ever hear the phrase, "electromotive force?"  And note that
you distinguished "pressure" and "force" in the above; exactly how do you
distinguish these?

In any event, it is not the power level that kills, exactly - unless you're
concerned about killing the subject via internal heating.  The question is
the level of *current* which will interfere with the heart's natural
"control signals."  Long before there is any actual damage to the tissue
due to electrical effects (heating), the heart has "lost sync" and the subject
is (or very soon will be) dead.

My, but this is a cheery string, isn't it?  :-)


Bob Myers  KC0EW   HP Graphics Tech. Div.|  Opinions expressed here are not
                   Ft. Collins, Colorado |  those of my employer or any other
myers@fc.hp.com                          |  sentient life-form on this planet.
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From: myers@hpfcdj.HP.COM (Bob Myers)
Newsgroups: sci.electronics
Subject: Re: 3dB rolloff of a human (was Re: HELP!)
Message-ID: <17660145@hpfcdj.HP.COM>
Date: 28 Jan 91 19:50:30 GMT
References: <1991Jan19.052458.7449@wam.umd.edu>
Organization: Hewlett Packard -- Fort Collins, CO
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