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प्रश्न
Write true or false of the following statement.
Magnetic keeper is a wooden piece.
विकल्प
True
False
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उत्तर
False.
Magnetic keepers are pieces of soft iron.
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संबंधित प्रश्न
Fill in the blank
To light a table lamp and to run a refrigerator, we use ______ as the source of electricity.
Write true or false of the following statement.
Copper cannot be magnetised.
What is a magnet?
Answer the following.
Why is it not possible to isolate a single magnetic pole?
Give a reason for the following.
Iron is a magnetic substance.
Answer the following in detail.
Write a short note on the theory of magnetism.
When magnetic material is taken close to a magnet, the material acquires ______.
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
Name the metal used for E and F.
The figure shows a freely suspended magnet in the rest position. Copy the diagram and on its show:
- Angle of declination
- Angle in dip
One of the following is an example for a permanent magnet.
