Three wires `A,B,C` made of the same material and radius have different lengths. The graph in the figures show the elongation-load variation. The longest wire is

Four wires made of same material have different lengths and radii, the wire having more resistance in the following case is

Four wires made of same material have different lengths and radii, the wire having more resistance in the following case is

Four wires made of same material have different lengths and radii, the wire having more resistance in the following case is

The load versus elongatino graphs for four wires A,B,C and D of the same material and equal lenghts are shown in the figure . The thickest wire is represented by the fine

Four wires made of the same material are stretched by the same load. Their dimensions are given below. Which one will be elongated most?

Four wires of the same material but having different lentghs and radii are subjected to same load. Which of the following combinations of length L and radius r will have the heighest elongation ?