Question

7.
The resistivity of two conductors 'A' and 'B' are 1.62 x 10-8 2 m and
5.20 x 10-82 m respectively. Which of them is used in :
(i) Transportation of electricity
(ii) The making of heating coils? Why?
conductor a
​

Answer 1

Answer:

Explanation:

[i] conductor A

[ii] conductor B because it resistiivity is more than conductor A so it will resist more electricity