Question

1. which phrases describe a permanent magnet? select all that apply.

it is made from a material that creates its own persistent magnetic field.
it contains magnetic domains.
it is only magnetized when in or near a magnetic field.
it loses magnetism when removed from a magnetic field.

Explanation:

• A permanent magnet has its own persistent magnetic field.
• All magnetic materials (including permanent magnets) have magnetic domains.
• The statements "It is only magnetized when in or near a magnetic field" and "It loses magnetism when removed from a magnetic field" describe temporary magnets, not permanent ones.

Answer:

• It is made from a material that creates its own persistent magnetic field.
• It contains magnetic domains.