Masses fo three are in the ratio `1:3:5` their lengths are in the ratio `5:3:1` when they are connected in series to an external source, te amounts of heats produced in them are in the ratio

Masses of three wires are in the ratio 1:3:5 . Their lengths are in the ratio 5:3:1 . When they are connected in series to an external source, the amounts of heats produced in them are in the ratio

The masses of three copper wires are in the ratio 2:3:5 and their lengths are in the ratio 5:3:2. Then, the ratio of their electrical resistance is

The masses of three copper wires are in the ratio 2:3:5 and their lengths are in the ratio 5:3:2. Then, the ratio of their electrical resistance is

Masses of three wires of copper are in the ratio 1 : 3 : 5 and their lengths are in the ratio 5 : 3 : 1 The ratio of their electrical resistance are