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प्रश्न
Which magnet will you use?
A window shutter opens and shuts continuously in the wind.
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उत्तर
Permanent magnet can be used to stop the continuous shuttering of the window in the wind.
संबंधित प्रश्न
Select the correct alternative
A freely suspended magnet rests in
Write true or false of the following statement.
Magnetic keeper is a wooden piece.
What is the magnetic induction? Explain with the help of a diagram.
When magnetic material is taken close to a magnet, the material acquires ______.
Write the answer in your word.
Write the properties of a magnet.
If a magnet is carefully broken into two pieces as shown in figure (i), how does the magnetic strength of each piece compare with that of the original magnet? If another magnet is carefully broken in half along its long axis shown in figure (ii), how would the strength of each piece compare with that of the original magnet?
Explain the mechanism by which unmagnetized iron nails get attracted to a magnet when brought near it.
Define the following term:
Geographic meridian
With the help of a diagram explain the following:
Magnetisation of an iron bar by a single touch method.
Which is not attracted by a magnet?
