Physics, 15.12.2021 07:10 confi3353

Hello can someone please answer this How is a conductor different from an insulator?

1: Conductors do not have magnetic fields; insulators do have magnetic fields.
2: In a conductor, electric current can flow freely; in an insulator, it cannot flow freely.
3: In a conductor, electric current cannot flow freely; in an insulator, it can flow freely.
4: Conductors have magnetic fields; insulators do not have magnetic fields.

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