Six identical wires of resistance `R` each are joined to form a pyramid, as shown in the figure above

Options

A. The equivalent resistance between any two corners will depend on the choice of corners
B. The equivalent resistance between `A` and `B` is `R//2`
C. The equivalent resistance between `D` and `C` is zero
D. If an electric current enters at `A` and flows out at `B`, no current will pass through `DC`.

Answer

B, D