A friend showed me this today... seemed quite interesting...
On this infinite grid of ideal 1 ohm resistors, what is the equivalent resistance between the two marked nodes?
On this infinite grid of ideal 1 ohm resistors, what is the equivalent resistance between the two marked nodes?
Code:
≈ is a resistor
O is the marked node
...-≈-+-≈-+-≈-+-≈-...
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≈ ≈ ≈
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...-≈-O-≈-+-≈-+-≈-...
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≈ ≈ ≈
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...-≈-+-≈-+-≈-+-≈-...
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≈ ≈ ≈
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...-≈-+-≈-O-≈-+-≈-...
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≈ ≈ ≈
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...-≈-+-≈-+-≈-+-≈-...