Magnetism

Which of the following is not a magnetic material?

• Wood

• Iron

• Nickel

• Cobalt

Where on a magnet is the magnetic field the greatest?

• All over o a magnet

• In the center of a magnet

• The two poles

• There is no magnetic field

The following diagram shows two magnets, what is happening between them?

• They are repelling

• They are attracting

• Their is nothing happening

• They are moving away from each other

The diagram shows two magnets, what is going on between them?

• They are repelling

• They are attracting

• They are moving towards each other

• There is nothing going on

What is the name of a natural magnet?

• Cylindrical magnet

• Horseshoe magnet

• Bar Magnet

• Lodestone

What is the name of the magnet shown in the diagram?

• Bar Magnet

• Horseshoe Magnet

• Cylindrical Magnet

• U shaped Magnet

Which of the following magnets can only be magnetized in the presence of an electronic current?

• Artificial permanent

• Electromagnet

• Natural Magnet

• No magnet can be magnetized

What type of magnet is shown in the diagram?

• Artificial Magnet

• Temporary Permanent Magnet

• Electromagnet

• Natural Magnet

What is one way a magnet can be destroyed?

• Heating

• Freezing

• Breaking in two pieces

• Dropping in water

What is the force used by magnets that attracts or repel each other or some other magnetic materials?

• Gravity

• Magnetism

• Friction

• Air pressure