Magnetism – Practice

Questions:

1) How could you make a compass using a magnet, a pin, tweezers and a glass of water?

2) Use the diagram below to explain and demonstrate how any magnet is always dipolar:

3) Below is a diagram of a ferromagnetic material:

a) Explain how we can conclude that the ferromagnetic material above is not magnetised:

b) It is exposed to a strong magnetic field as shown below. Complete the diagram to show what happens to the domains after being exposed to the external magnetic field:

 

 

Worked Answers:

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