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प्रश्न
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?
एका वाक्यात उत्तर
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उत्तर
The darkened part is a non-magnetic material like wood.
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संबंधित प्रश्न
Write true or false of the following statement.
Magnetic keeper is a wooden piece.
How will you do this?
Find the north pole of a magnet.
There is repulsion between the _____ poles of a magnet and attraction between its _____ poles.
The alloys called ______ and ______ are used for making industrial magnets.
Describe a simple experiment to demonstrate that like poles repel each other while unlike poles attract.
Show by diagrams two usual shapes of the artificial magnets.
Distinguish between
Natural and artificial magnets.
Artificial magnets are made in different shapes such as ______, _____ and _______.
MRI stands for _______.
Match the following.
| Magnetite | Magnetic lines |
| A tiny pivoted magnet | Natural magnet |
| Cobalt | Compass box |
| Closed curves | Ferromagnetic material |
| Bismuth | Diamagnetic material |
