On Sat, 13 Feb 2016 15:37:57 +0000, gareth wrote:

Consider two series resistance chains, both with a 1K resistance at the
top, and one chain going to ground with an 11K resistance and t'other
going to ground with another 1K resistance, and then 12V applied to both
at the top.

When the switch is closed, how do the electrons and the electric field
"know"
that when they start moving that in the 11K case they only have to drop
1 volt across the top 1K resistance, but in the case of the two 1K
resistances in series, they have to drop 6 volts across the top 1K
resistance?

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