Question

23. If the length of a conductor having resistivity
1.5 * 10 m is doubled, its new resistivity
will be
(a) 2.0 x 10- 2 m (b) 1.5 x 10-22 m
(c) 6.6 x 102 m (d) 1 x 10-22 m​

Answer 1

Answer:

option (b)

Explanation:

resistivity depends on the material.

it doesn't change with the change in length, area or temperature.