Interesting resistor cube problem.

[nigelwright7557]

I have studied ohms law and Kirchoffs law but hadn't come across the equi-potential theory before.
https://www.eevblog.com/2022/05/09/eevblog-1472-resistor-cube-problem-solved/

 

[hirscwi]

cool...

 

[rayma]

Based on symmetry.