Magnetism

Some metals and alloys are magnetic. Which of these is magnetic?

• aluminum

• copper

• gold

• steel

Which arrangement of bar magnets leads to the field pattern revealed by the plotting compasses?

• a

• b

• c

• d

Which of these magnetic field lines are correct?

• a

• b

• c

• d

This diagram shows the magnetic field between magnetic poles X and Y. Which pole is at X?

• N

• S

• Not enough information given to determine the pole

What is the difference between a magnetically soft and a magnetically hard material?

Give an example of a magnetically hard material and suggest where it might be used.

Give an example of a magnetically soft material and suggest where it might be used.

Complete question 6 from the "Exam style questions" section of Chapter 16: Magnetism in your coursebook in your notebook.