Twelve equal resistors each R `Omega` are connected to from the edges of a cube . Find the equivalent resistance of the network.

When current enters at 1 & leaves at 6 (body diagonal)

Explanation

Here 2,4,8 are equipotential points (if we move from `1to2,4,8` it comes along the edge & `6to2,4,8` it comes along face diagonal). Similarly 3,5,7 are equipotential points.

`R_(eq)=(5R)/(6)`