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प्रश्न
Select the correct answer
An example of natural magnet is
विकल्प
iron
steel
lodestone
none of the above
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उत्तर
lodestone
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संबंधित प्रश्न
Write true or false of the following statement.
Magnetic poles occur in pairs.
Write true or false of the following statement.
Copper cannot be magnetised.
How are the magnets kept safely? What is the role of keepers in storing the magnets?
Answer the following in detail.
List four methods of magnetizing a magnetic substance.
Distinguish between the two methods of making artificial magnets.
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.

What is the material of darkened part?
Give scientific reason:
Two steel needles hanging from the lower end of a vertical bar magnet do not hang vertically.

State the laws of magnetism.
Thamizh Dharaga and Sangamithirai were playing with a bar magnet. They put the magnet down and it broke into four pieces. How many poles will be there?
The strongest natural magnet is ______.
