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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.
How will you test whether a given rod is made of iron or not?
How are the magnets kept safely? What is the role of keepers in storing the magnets?
Answer the following.
Why is it not possible to isolate a single magnetic pole?
Which magnet will you use?
A window shutter opens and shuts continuously in the wind.
Select the correct option:
The substance which form a strong temporary magnet is:
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?
Draw lines of force surrounding a bar magnet when it is placed in the magnetic meridian with its north pole pointing geographic, north.
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?
