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

Tweve identical resistance each of resistance R are joined to form a cube as shown in figure. Find resistance of the combination across AB

Twelve indentical resistance each of resistance R are joined to form a cube as shown in figure. Find resistance of the combination across AB.

Two identical thin uniform rods of length L each are joined to form T shape as shown in the figure. The distance of centre of mass from D is

Nine wires each of resistance r=5Omega are connected to make a prism as shown in the figure.Find the equivalent resistance of the arrangement across AB(in Omega )

12 identical wire each of resistance 6Omega are joined to form a cube. Find the resistance between the corner of edges of the cube.

Thirteen resistances each of resistance R ohm are connected in the circuit as shown in the figure above. The effective resistance between A and B is

A frame is formed by nine identical wires of resistances R each as shown in the figure. The equivalent resistance between A and B is

A frame is formed by nine identical wires of resistances R each as shown in the figure. The equivalent resistance between A and B is