Question

Which material would be a suitable insulator?

O silver
O gold
O copper
O rubber​

Answer 1

Rubber

Step-by-step explanation:

Imagine yourself using a frying pan. Most times, the handles are wooden or rubber because they insulate heat. The same applies to electricity as well. The only viable answer here therefore is rubber.

Good luck! I hope this helped!

Answer 2

D, rubber

Step-by-step explanation:

Metals have free electrons, and are very bad as insultators. Metals conduct electricity very well. On the other hand, rubber has no free electrons and does not conduct electricity very well