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प्रश्न
People who made mariner’s compass for the first time.
विकल्प
Indians
Europeans
Chinese
Egyptians
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उत्तर
Chinese
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संबंधित प्रश्न
State three important uses of a magnet.
If a bar magnet is cut into equal pieces by cutting it at right angles to its axis at two places, ______ bar magnets are formed, and a total of _____ poles are formed.
Draw a clearly labelled diagram, to show how a steel bar is magnetised by a divided touch method. A written description is not required.
Define the term Magnetic axis
Write a short note on lighting conductors.
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 ______.
Define the terms magnet and magnetism.
