Chapter 22: Magnetism and Magnetic Fields

A relationship between electricity and magnetism is that ____.

• there is no well defined relationship

• electricity cannot cause magnetic fields, but magnetic fields can cause electricity

• electricity can cause magnetic fields, magnetic fields can cause electricity

• electricity can cause magnetic fields, but magnetic fields cannot cause electricity

A magnets pole is determined by its ability to point towards magnetic north.

• true

• false

Which one of the following statements is correct?

• the north pole of a magnet points towards Earth's geographic south pole

• Earth's geographic north pole is the north pole of Earth's magnetic field

• the north pole of a magnet points towards Earth's geographic north pole

• Earth's geographic south pole is the south pole of Earth's magnetic field

Using the diagram, what is the direction of the magnetic field?

(use the right hand rule)

• east

• south

• west

• out

Which of the following is most responsible for the phenomenon we know as magnetism?

• the transfer of electrons

• the size of electrons

• the balance of electrons

• the orbit of electrons

In what direction does the north pole of a magnet point if it is suspended by a string?

• geographic south

• none of the above

• magnetic north

• geographic north

You find an object that both attracts metals and produces a magnetic field. What else can you say abou the object?

• it only has a north pole

• it has neither a north or a south pole

• it only has a south pole

• it has both a north and a south pole

Based on the following image, point B best represents what part of a magnet?

• north pole

• south pole

• both north or south pole

• neither north or south pole

Can a single isolated magnetic pole be created by breaking a magnet in two?

• no, when a magnet breaks it will create a second magnet with its own respective poles

• yes, when a magnet breaks it will create multiple unstable charges that result in individual poles

• no, when a magnet breaks it will create a new, non-magnetic piece

• yes, when a magnet breaks it will create a small magnet with a single pole based on the piece it was closest to when it broke.

Unlike electric, Magnets have a unique property where like poles attract because of polarity principles.

• true

• false