[SI-LIST] Re: threshold

I believe that we can thank Mr. Tesla for the choice of 110V-60Hz AC =
along with Fluorescent lights, polyphase induction motors, radio, . . . =
and of course the Tesla coil.

-----Original Message-----
From: Robert Szalapski [mailto:Rob.Szalapski@xxxxxxxxxxxx]
Sent: Wednesday, 30 July, 2003 08:54 AM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: threshold


The threshold voltage is very different for AC & DC voltages, as was
demonstrated by Thomas Edison.  He electrocuted many dogs in an effort =
to
prove that AC was only good for killing; AC currents are far more lethal
than DC.  (Some claim that these experiments gave birth to the idea of =
the
electric chair.)  I believe that, for AC, the dangerous level is around
70-80 V, so typical household wall sockets can be dangerous; 110 V is a
rather odd choice from that perspective.

-- Rob

-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx
[mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of hariharan
Sent: Wednesday, July 30, 2003 8:44 AM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] threshold


what is the threshold  Voltage (V) and current (amps) beyond which human
beings can get hurt or feel it?

any idea...??




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