How should the two resistances of 2 ohms each be connected so as to produce an equivalent resistance of 1 ohm?

Hoe can three resistors of resistance 2 ohm, 3 ohm and 5 ohm be connected to get a total resistance of 0.9 ohm?

Four wires of equal length and of resistance 5ohm each are connected in the form of a square. The equivalent resistance between the diagonally opposite corners of the square is

Four wires of equal length and of resistance 5ohm each are connected in the form of a square. The equivalent resistance between the diagonally opposite corners of the square is

If 3 resistances of 3 ohm each are connected in parallel, what will be their total resistance?

Hoe can three resistors of resistance 2 ohm, 3 ohm and 5 ohm be connected to get a total resistance of 3.875 ohm?

Four conductors of resistance 16Omega each are connected to form a square. The equivalent resistance across two adjacent corners is in ohm)

Three resistances each of 4 ohm are connected to from an equilateral triangle The equivalent resistance between any two corner is

Six resistors each of 10 ohm are connected shown. The equivalent resistance between points X and Y is