Hi Wagner,

Perhaps I wasn't clear enough in my explanation of what I did. I did NOT
touch the free wire, I just left it floating in the air, I only touched the
insulation on the wire.

Sean

At 07:40 PM 11/28/99 -0500, you wrote:
>I guess that the human body working as a "mass antenna" offers plenty of
>resistance to current flow, so when the outlet "hot" wire has a positive
>level, your body can not supply enough electrons to the lamp to glow. 
>By the other side, when the outlet supply the negative level, there are
>plenty of electrons to flow and spread into the human body (in a funnel
>situation), and that generates the dim glow.
>
>I also believe that the itching shock you feel when touching a
>non-grounded machine frame, it most generated by the negative side of
>the senoid than the positive.
>
>You can confirm this situation touching a 150 VDC with the lamp (and
>resistor) positive to lamp, negative to ground, and then reverse the
>polarity. I guess the lamp will only glow when the 150Vdc negative is
>connected to the lamp.
>
>This same effect you can feel (energy transfer) when touching an ice
>cube or a warm/hot material.  Suppose the ice cube is at -10¡C and your
>finger is at +33¡C, there is a delta thermal of 42¡C, so, warm a piece
>of metal to 33+42 = 75¡C and fast touch the ice cube then the metal.  I
>am able to feel easily the delta temperature from the metal block. What
>can you feel easily in a room with constant ambient noise?  a peak of
>higher noise, or a peak or silence?... a peak of lightness or a peak of
>darkness? 
>
>Ok, ok, I can feel easily a negative peak in the bank account, rather
>than a positive one... hmmm... probably because I never had the
>opportunity... :)
>
>Wagner.
>
>
>> 
>> What does a Neon bulb normally do when connected to DC (I didn't think to
>> try it until just now, but I don't have one handy)? Does only one electrode
>> glow?
>> 
>> Sean
>
|
| Sean Breheny                   
| Amateur Radio Callsign: KA3YXM 
| Electrical Engineering Student  
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