Two readings were taken for each of three wires A, B and C at the same temperature.
A: 2 V, 0.25 A and 4 V, 0.50 A
B: 2 V, 0.20 A and 4 V, 0.45 A
C: 2 V, 0.30 A and 4 V, 0.55 A
(i) Which wire obeys Ohm’s law most closely?
(ii) Arrange the three wires in increasing order of resistance at 2 V.