Electricity and Magnetism

Magnets can exert "force" at a distance and push or pull on things they are not even touching.

• True

• False

Where are the lines of magnetic force strongest in a bar magnet?

• Near the poles

• away from the poles

What material do most of the magnets we encounter in our daily lives contain?

Domains within a non-magnetized object have magnetic fields pointing in which direction?

• same direction

• opposite directions

• all directions

If an object is exposed to a powerful magnetic field, which direction do most of the domains point?

• Same direction

• Opposite Direction

Which direction does the north pole of a magnet tend to point towards?

• North Pole of Earth

• South Pole of Earth

Which direction does the south pole of a magnet tend to point towards?

• South Pole of Earth

• North Pole of Earth

What is the relationship between north and south poles?

• North poles repel the north poles of other magnets.

• South poles repel the south poles of other magnets.

• North poles are attracted to south poles of magnets.

• All of the above

What are typical household items that contain electromagnets?

• Microphones

• doorbells

• computer hard drives

• all of the above

What are the thing (s) that can stick to a magnet?

• Iron

• Nickel

• Cobalt

• All of the above