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Re: Ions

On Tue, 13 Apr 1999, Ludwik Kowalski wrote:

Is there any nondestructive way of distinguishing a macroscopically neutral
plastic sphere (with a uniform cloud of -Q inside and a layer of +Q outside)
from a sphere which is microscopically neutral (each little dV is neutral
within the sphere)? Sorry for being unclear with this question before.

Wouldn't the "space charge" sphere become slightly distorted if it was
exposed to a uniform e-field? Or would the distortion be the same as the
distortion of a dielectric sphere in a uniform e-field?

If exposed to intense AC electric or magnetic fields, the "space charge"
sphere might exhibit mechanical vibrations as the internal charges tried
to respond. It would probably make a different sound than a neutral
dielectric sphere.

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