Why does moving the 470Ω resistor in these examples have no effect on the total resistance between A and B?
This is a new question regarding the answer given here by @helloworld992.
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I've redrawn the two circuits with the interesting connections pulled away from their node. Since anything joined by a wire is considered to be at the same potential, this should illustrate that it doesn't matter where the other end of R16 is connected.
I've added rather more wire than is necessary, but it should help reinforce the idea that you can connect anywhere on the red traces.