How is a conductor different from an insulator?
Question 6 options:

A. In a conductor, electric current can flow freely; in an insulator, it cannot flow freely.

B. A conductor does not have magnetic fields; an insulator has magnetic fields.

C. In a conductor, electric current cannot flow freely; in an insulator, it can flow freely.

D. A conductor has magnetic fields; an insulator does not have magnetic fields.