What will be the resistance between P and Q in the following circuit ?

What is the resistance between P and Q in the following circuit? Each resistance is of 1 Omega and the wire between eb and bd have resistance 0.5Omega each.

What is the resistance between P and Q and of the following circuit? Each resistance is of 1Omega and the wire between eb and bd have resistance 0.5Omega each.

What is the resistance between A and B in the following circuit

Effective resistance between A and B in the following circuit

What is the resistance between P and Q ?

Find the equivalent resistance between A and B in the following circuit.

The effective resistance between P and Q in the given circuit is