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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?
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उत्तर
The darkened part is a non-magnetic material like wood.
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संबंधित प्रश्न
How are the magnets kept safely? What is the role of keepers in storing the magnets?
Answer the following in short.
If a bar magnet is placed over iron filings, where will the attraction of the iron fillings be
- maximum?
- minimum?
Select the correct option:
The substance which form a strong temporary magnet is:
Select the correct option:
The place around a magnet where its influence can be detected is called:
Explain the mechanism by which unmagnetized iron nails get attracted to a magnet when brought near it.
Define the following term:
Angle of dip
With the help of a diagram explain the following:
Magnetisation of steel needle using electric current such that the pointed end should have north polarity.
The strongest natural magnet is ______.
