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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
You are given two similar bars. One is a magnet and the other is of soft iron. How will you distinguish and identify them ?
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?
The alloys called ______ and ______ are used for making industrial magnets.
Draw lines of force surrounding a bar magnet when it is placed in the magnetic meridian with its north pole pointing geographic south.
Define the term Poles of a magnet
Define the term Effective length of a magnet
Define the following term:
Angle of declination
Artificial magnets are made in different shapes such as ______, _____ and _______.
Define artificial magnet.
