Question bank: Magnetism: Magnets

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Question 1:

Medium

João is conducting an experiment with magnets and wants to better understand their properties. He has two magnets, one rectangular and the other cylindrical, and wants to find out which pole of the cylindrical magnet is the north pole with the help of the rectangular magnet whose north pole is marked. By bringing one end of the cylindrical magnet close to the marked north pole of the rectangular magnet, he notices that there is an attraction between them. Which pole is at the end of the cylindrical magnet that was brought close to the north pole of the rectangular magnet?

Magnetism: Magnets

Question 2:

Medium

A magnet has two magnetic poles, the North (N) and the South (S). According to Sayre's Law of Magnetism, which of the alternatives below is correct?

Magnetism: Magnets

Question 3:

Medium

A bar-shaped magnet is divided into two equal parts, forming two new magnets. Imagine you have the necessary equipment to measure the intensity of the magnetic field generated by each of the new magnets. Based on this information, what would be the relationship between the intensity of the magnetic field generated by one of the new magnets compared to the magnetic field generated by the original magnet?

Magnetism: Magnets

Question 4:

Medium

Imagine you are conducting an experiment in the classroom to demonstrate the behavior of magnets and their magnetic properties. You have a bar magnet and a compass.

Magnetism: Magnets

Question 5:

Medium

Imagine you received two magnets, each with the north and south poles identified. A challenge is to create a simple system capable of keeping one magnet levitating over the other, using only these magnets and a small auxiliary object of your choice. (a) Describe the principle of magnetic repulsion between the magnets that you will use to design the levitation system. (b) Choose an auxiliary object and explain how it will be positioned and used to keep the magnet levitating stably. (c) Discuss possible limitations and difficulties you may face when trying to create this levitation system.

Magnetism: Magnets

IARA TIP

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