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Re: All Voltage differences are Electrostatic?

Why is it important that the 9-V batteries be drained? And if one
terminal of the series-linked batteries is connected to the knob of
the electroscope, to what is the other terminal connected? Thanks in
advance, Tucker

Sam Sampere wrote:

> >To help make this simple connection, chain a bunch of drained 9 V
>batteries together in series and connect the terminals to a gold leaf
>electroscope.
>
> Sam