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UPSC Exam  >  UPSC Test  >  Science & Technology CSE  >  Test: Fun With Magnets - UPSC MCQ

Fun With Magnets - Free MCQ Practice Test solutions, UPSC Sci & Tech


MCQ Practice Test & Solutions: Test: Fun With Magnets (10 Questions)

You can prepare effectively for UPSC Science & Technology for UPSC CSE with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Fun With Magnets". These 10 questions have been designed by the experts with the latest curriculum of UPSC 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 10 minutes
  • - Number of Questions: 10

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Test: Fun With Magnets - Question 1
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The property of attracting iron or other magnetic materials is called

Detailed Solution: Question 1

Magnetism is the force exerted by magnets when they attract or repel each other. Magnetism is caused by the motion of electric charges.

Test: Fun With Magnets - Question 2
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Which of the following is not a magnetic substance?

Detailed Solution: Question 2

  • Iron, nickel, and cobalt are known as ferromagnetic materials. They can be magnetized and exhibit strong magnetic properties.
  • These metals have unpaired electrons, which contribute to their magnetic behavior.
  • Silver, on the other hand, is classified as a diamagnetic material. It does not have unpaired electrons and does not exhibit magnetic properties.
  • Therefore, among the options, silver is the substance that is not magnetic.

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Test: Fun With Magnets - Question 3
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Lodestone is a

Detailed Solution: Question 3

A lodestone is a naturally magnetized piece of the mineral magnetite. They are naturally occurring magnets, which can attract iron. The property of magnetism was first discovered in antiquity through lodestones.

Test: Fun With Magnets - Question 4
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Which types of magnet have two poles close to each other?

Detailed Solution: Question 4

A horseshoe magnet is a magnet made in the shape of a horseshoe. At the ends of its legs, the magnet has two magnetic poles close together. This shape creates a strong magnetic field between the poles.


Fig: Horseshoe Magnet 

Test: Fun With Magnets - Question 5
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State whether the following statement is True or False

Magnets can attract pieces of iron.

Detailed Solution: Question 5

  • When you have a magnet, and you bring it close to some pieces of iron, like iron nails or paper clips, the pieces of iron will stick to the magnet. This is because magnets have special powers to attract iron objects.
  • So, the statement that says "Magnets can attract pieces of iron" is True.

Test: Fun With Magnets - Question 6
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How can you identify the north pole of a magnet if it is not marked?

Detailed Solution: Question 6

To identify the north pole of an unmarked magnet, you can use a compass. The end of the magnet that aligns with the north direction indicated by the compass is the north pole. This method is based on the fact that the north pole of a magnet is attracted to the Earth's magnetic North.

Test: Fun With Magnets - Question 7
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What happens if you heat a magnet?

Detailed Solution: Question 7

Heating a magnet causes it to become weaker. High temperatures can disrupt the alignment of the magnetic domains within the magnet, reducing its magnetic strength. This is why magnets should be kept away from heat sources to maintain their effectiveness.

Test: Fun With Magnets - Question 8
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What is a common characteristic of materials that are attracted to magnets?

Detailed Solution: Question 8

Materials that are attracted to magnets typically contain iron, nickel, or cobalt. These materials are magnetic, meaning they can be attracted by a magnet due to their magnetic properties. This characteristic is used to identify magnetic and non-magnetic materials in various contexts.

Test: Fun With Magnets - Question 9
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What happens to iron filings when a bar magnet is moved across them?

Detailed Solution: Question 9

Iron filings tend to stick more at the ends of a bar magnet when the magnet is moved across them. This is because the magnetic field is strongest at the poles of the magnet, which attracts more filings to these areas. An interesting fact is that this property helps in visualizing the magnetic field lines around a magnet.

Test: Fun With Magnets - Question 10
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Artificial magnets are made in different shapes such as __________, __________, and ____________.

Detailed Solution: Question 10

Artificial magnets are commonly made in shapes like cylindrical, bar, and horseshoe. These shapes are practical for various applications and help in focusing the magnetic field in different ways. For instance, bar magnets are often used in classrooms for demonstrations, while horseshoe magnets are useful in applications requiring a stronger and concentrated magnetic field.

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About this UPSC Practice Test

This test contains 10 MCQs on Fun With Magnets with detailed solutions for each question. It is part of the Science & Technology for UPSC CSE course on EduRev, designed to align with the current UPSC syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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