You might find this interesting in regard to this thread....from an old Tektronix book called "Biophysical Measurements": "...experimental investigation on numerous subjects (both male and female) has indicated that up to 300 uA applied to the surface of the body, such as from one arm to another, may be suggested as being reasonably safe for most subjects. It can be seen that 99.5 percent of the population require 400 uA or more of 60 Hz current to perceive the current and that the threshold of perception or sensation increases as frequency increases above 100Hz and below 10Hz. At 10KHz and at DC, the threshold of sensation is approximately five times greater than at 60Hz."
That would suggest you are (if you are in the 99.5%) perceiving the tingling from 400uA X 5 (at DC) or 2mA. With 9V, this would suggest your resistance would be less than 9V / 2mA or 4.5Kohms between the points where the battery is making contact with your skin. Of course, there's a 1 in 200 chance you're more sensitive than this. I just can't perceive anything when touching the terminals of a 9V battery with dry or wet fingers. Brian. ----- Original Message ----- From: "russ e rosser" <[email protected]> To: <[email protected]> Sent: Tuesday, November 14, 2000 10:19 PM Subject: Re: CS>electrical conduction through body > > Even touching both sides of > > a small > > 9 V battery causes a tingle with the right hand. Or is this a normal > > situation with most everyone? > > Is that with dry fingers? --Russ > > > -- > The silver-list is a moderated forum for discussion of colloidal silver. > > To join or quit silver-list or silver-digest send an e-mail message to: > [email protected] -or- [email protected] > with the word subscribe or unsubscribe in the SUBJECT line. > > To post, address your message to: [email protected] > Silver-list archive: http://escribe.com/health/thesilverlist/index.html > List maintainer: Mike Devour <[email protected]> > >
