Question

define 1A current . A given length of wire is doubled on itself and this process is repeated once again. By what factor
does the resistance of the wire change?

Answer 1

Explanation:

1 ampere is the current constituted by the flow of one coloumb of charge per second

resistance of a wire depends on

a)on its length

b)on its area of cross-section

c) nature of the material

d) temperature