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प्रश्न
How can magnetic properties of a magnet be destroyed?
उत्तर
1. By hammering the magnet repeatedly.
2. By rough handling
3. By heating.
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संबंधित प्रश्न
Write true or false for a given statement.
A coil carrying current behaves like a magnet.
Fill in the blank.
Rough handling destroys the .............. properties of a magnet.
Give a reason for the following.
The directive property of magnets is used in a compass.
A freely suspended magnet always comes to rest in the ______ direction
A compass can be used to find East - West direction at any place.
Write any two properties of a magnet.
Magnets lose their property if they ______.
Proper storage can also cause magnets to lose their properties.
Match Column I with Column II (One option of A can match with more than one option of B):
| Column 1 | Column II | ||
| (a) | Magnet attracts | (i) | rests along a particular direction |
| (b) | Magnet can be repelled | (ii) | iron |
| (c) | Magnet if suspended freely | (iii) | another magnet |
| (d) | Poles of the magnet can be identified by | (iv) | iron filings |
Fig. 13.6 shows a magnetic campass. What will happen to the position of its needle if you bring a bar magnet near it? Draw a diagram to show the effect on the needle on bringing the bar magnet near it. Also draw the diagram to show the effect when the other end of the bar magnet is brought near it.
