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

Four wires of same material but having different length and radii are subjected under same load. Which of the following combination of length L and radius r will have highest elongation?

Four wires of same material but having different length and radii are subjected under same load. Which of the following combination of length L and radius r will have highest elongation?

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 ?

Two wires made of same material have equal length and radius of one of them is twice that of the other. Find the ratio of their resistances.

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

The following four wires are made of the same material. If same tension is applied to each, the wire having largest extension is

Two wires made of same material have lengths in the ratio 1:2 and their volumes in the same ratio. The ratio of their resistances is

Two wires made of same material have their length are in the ratio 1:2 and their masses in the ratio 3:16 . The ratio of resistance of two wires is

Two heater wires, made of the same material and having the same length and the same radius, are first connected in series and then in parallel to a constant potential difference. If the rate of heat produced in the two cases are Hs and Hp respectively then (Hs)/(Hp) will be