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प्रश्न
People who made mariner’s compass for the first time.
पर्याय
Indians
Europeans
Chinese
Egyptians
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उत्तर
Chinese
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संबंधित प्रश्न
How are the magnets kept safely? What is the role of keepers in storing the magnets?
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.
There is repulsion between the _____ poles of a magnet and attraction between its _____ poles.
The figure shows a freely suspended magnet in the rest position. Copy the diagram and on its show:
- Angle of declination
- Angle in dip
Give scientific reason:
Not attraction but repulsion is a sure test of magnetism.
With the help of a diagram explain the following:
Magnetisation of an iron bar by a single touch method.
A magnet attracts ______.
How can you identify non-magnetic materials? Give an example of a nonmagnetic material.
The pole of a freely suspended magnet that points towards the north is called the south pole and what points towards the south is the celled north pole.
