Question

what is the substance which is different from others as regards conduction of electricity A. Copper ,B. Alluminium ,C. Silver ,D. Rubber​

Answer 1

Answer:

Option D) Rubber is an insulator.

Which means it doesn't conducts electricity while rest of the others are conductors.

Answer 2

Answer:

D . RUBBER

Explanation:

Because Copper , Alluminium , Silver are made up of metal .