EASY
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Magnets should be stored away from mobile phones, televisions, radios and computers.

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Important Questions on Fun With Magnets

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Science>Physics>Fun With Magnets>Discovery of Magnets
A body has a negative charge of 1 μc. It means the body has gained:
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Science>Physics>Fun With Magnets>Discovery of Magnets
A magnet attracts :
MEDIUM
Science>Physics>Fun With Magnets>Discovery of Magnets
A square loop of side 2a, and carrying current I is kept in XZ plane with its centre at origin. A long wire carrying the same current I is placed parallel to the z-axis and passing through the point (0, b, 0),(b>> a). The magnitude of the torque on the loop about z-axis is given by.
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Science>Physics>Fun With Magnets>Discovery of Magnets
Calculate the number of electrons constituting one coulomb of charge.
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Science>Physics>Fun With Magnets>Discovery of Magnets
Mention four important uses of magnets.
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Science>Physics>Fun With Magnets>Discovery of Magnets
Why does the door of refrigerator left slightly open, shut automatically?
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Science>Physics>Fun With Magnets>Discovery of Magnets
List two properties of a magnet.
MEDIUM
Science>Physics>Fun With Magnets>Discovery of Magnets
Magnetite is a type of mineral that can attract iron.
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Science>Physics>Fun With Magnets>Discovery of Magnets
Magnets are not found in nature.
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Science>Physics>Fun With Magnets>Discovery of Magnets
Write a short note on the magnetic field of a magnet.
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Science>Physics>Fun With Magnets>Discovery of Magnets
The magnets made from iron, cobalt or nickel are called _____.
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Science>Physics>Fun With Magnets>Discovery of Magnets
Explain the term.
Magnetite.  
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Science>Physics>Fun With Magnets>Discovery of Magnets
Write two essential properties of a magnet.
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Science>Physics>Fun With Magnets>Discovery of Magnets
Magnets should not be placed near a:
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Science>Physics>Fun With Magnets>Discovery of Magnets
Electronic devices can never get damaged when kept near strong magnets.
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Science>Physics>Fun With Magnets>Discovery of Magnets
A magnetic substance can be separated from a non-magnetic substance with the help of a /an _____.
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Science>Physics>Fun With Magnets>Discovery of Magnets
Magnetite is a natural magnet.
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Science>Physics>Fun With Magnets>Discovery of Magnets

Match the following:

Column A Column B
1. Steel and its alloys a. Magnetic strip 
2. Magnetite b. Artificial magnet 
3. Magnetic pole c. Natural magnet
4. Bar magnet d. Permanent magnets
5. ATM card e. Maximum magnetic force

 

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Science>Physics>Fun With Magnets>Discovery of Magnets
Raman was given a mixture of sand and iron filings. He is interested in separating sand from the mixture. Suggest to Raman some activity so that he can successfully separate sand from the mixture.
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Science>Physics>Fun With Magnets>Discovery of Magnets
A bar magnet cannot be broken into parts.