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प्रश्न
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संबंधित प्रश्न
What is declination ? Draw a diagram to show the angle between the declination and true direction of geographic north.
How are the magnets kept safely? What is the role of keepers in storing the magnets?
How will you do this?
Find the north pole of a magnet.
If a bar magnet is hung by a thread tied at its center, its north pole becomes steady in the direction of the ______ Pole of the earth.
There is repulsion between the _____ poles of a magnet and attraction between its _____ poles.
The alloys called ______ and ______ are used for making industrial magnets.
There are two knitting needles. One of them is magnetized. How will you find out which one is magnetized, if no other magnet is available?
Define the following term:
Magnetic meridian
Give scientific reason:
Not attraction but repulsion is a sure test of magnetism.
Maximum iron filings stick in the middle of a bar magnet when it is brought near them.
