Science: Electromagnetic Spectrum, Electricity and Magnetism: What can act just like a bar magnet? (magnetic domain, air solenoid, dough magnet) and from what rule is this from?

Question

What can act just like a bar magnet? (magnetic domain, air solenoid, dough magnet) and from what rule is this from?

Rain M · Accepted Answer

Air solenoid from Rule 3 Solenoid Rule

What can act just like a bar magnet? (magnetic domain, air solenoid, dough magnet) and from what rule is this from?