Magnetism Quick Review

Which of these objects are made from magnetic materials... (two options are correct)

• Plastic paper clip

• Steel nail

• Glass bottle

• Iron bar

• Rubber tyre

In which of these situations will you see attraction?

• The north poles of two magnets are placed close together.

• A wooden rod is placed close to a strong magnet.

• The south poles of two magnets are placed together.

• The north pole of one magnet is placed close to the south pole of another magnet.

Magnetic field will be created if there is ......... flowing through a wire.

Which of these statements is false for a magnetically hard material?

• They are difficult to bend.

• They are used to make permanent magnets

• They are electric insulators.

• They are used in electromagnets.

Which of these statements are the characteristic of permanent magnets.. (two options are correct)

• Made from magnetically soft material

• Lose its magnetism easily

• Keeps its magnetism once it has been magnetized

• Produce magnetic field continuously

If the field lines are closer together, the magnetic field is weaker.

• True

• False

A horizontal wire has current flowing to the right. The direction of the magnetic field at a point above the wire is.....

• Outside the page

• Inside the page

The part of a magnet that has the strongest magnetic field

Draw the direction of the magnetic field lines

What is the definition of magnet?