Re: Electric Force and Shells

["John S. Denker" <jsd@MONMOUTH.COM>]

Bernard Cleyet wrote:
...
> F. et al. states (p. 5-9 V. II '77) "The same arguments can be used to
> show that no static distribution of charges inside a closed conductor can
> produce any fields outside.  Shielding works both ways!"

There's a word for that.
A five-letter word starting with "w"
and ending with "rong".

> Harnwell... "the external effects
> are independent of the position of the charge with in the cavity."

That's correct and easy to prove.