> Possibly the most alarming part of this whole thing is the number of forum
> users who have managed to compute the actual resistance of the tangle of
> resistors near the middle.
V = I * R for each resistor
and
Sum(current into a node) = 0
Solve.
There's probably a matrix method for doing it, where you get to invert a big
matrix, rather than solving all the simultaneous equations by hand.
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