Question

The following four wires are made of the same material and
are at the same temperature. Which one of them has highest
electrical resistance
(UPSEAT 2004)
(a) Length = 50 cm, diameter = 0.5, mm
(b) Length = 100 cm, diameter = 1 mm
(c) Length = 200 cm, diameter = 2 mm
(d) Length = 300 cm, diameter = 3 'mm​

Answer 1

a) Length =50 cm,diameter=0.5 ...........Is the right answer