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प्रश्न
Define the term Effective length of a magnet
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उत्तर
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संबंधित प्रश्न
State four important properties of a bar magnet?
Answer the following in short.
What is a magnet? Differentiate between natural and artificial 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?
Define the following term regarding a bar magnet:
Magnetic equator
How will you do this?
Explain that a magnet has a certain magnetic field.
When magnetic material is taken close to a magnet, the material acquires ______.
What is a natural magnet?
Define the following term:
Angle of declination
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.
Maximum iron filings stick in the middle of a bar magnet when it is brought near them.
