If I am thinking correctly, the answer is readily apparant with 2 seconds of thinking and almost no calculations. "Distance" from one conder to the opposite is 3 resistors = 3 ohoms. But there are 4 different paths which are all equal by symmetry -- so like 4 3-ohm paths in paralle or 3/4 ohms total.
Took me 100 times as long to write it out as to solve it...
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Not following the rules. You need to analyze the circuit. You have a parrallel circuit composed of one resistance on the bottom and a combination on the top. The combination is a series circuit of a single resistance and a parralel sub-circuit of 2 in parrallel.
You need to solve the parallel sub-string first, and add the series component to it, then solve the resulting parallel string.
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For parallel circuits 1/r1 + 1/r2 +1/r3 = 1/RT Solve the parallel portions of series strings first. Then add the series strings, then solve the remaining/resulting parallel string.
There are also online parallel resistance calculators that make the job dead simple - if you remember the rules.
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If you assume the values given are either voltage or current you will quickly notice they are in violation of various electrical laws. Resistance is the only one that works for the top one. I havent had time to ponder the bottom one since LEDs are non linear it may not be a repeat of the top one.
Jimmie
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