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प्रश्न
Distinguish between the two methods of making artificial magnets.
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उत्तर
| Single Touch Method | Double Touch Method |
| The magnetic strength of the magnet created using this method is low. | The magnetic strength of the magnet created using this method is high as compared to a single touch method. |
| The magnetism of the magnet created using this method lasts for a shorter time. | The magnetism of the magnet created using this method lasts for a longer time as compared to a single touch method. |
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 ?
State four important properties of a bar magnet?
Answer the following in detail.
How is the single-touch method of magnetism different from the double-touch method?
Define the following term regarding a bar magnet:
Magnetic axis
Fill the blank spaces in the table given below:
| Nature of bar | Action of compass needle | |
| North Pole | South Pole | |
| Non-magnetic | No action | ________ |
| ________ | attracted | attracted |
| North pole of a bar magnet | ________ | _________ |
| ________ | attracted | repelled |
Draw the magnetic field lines around a bar magnet when a bar magnet is placed such that the N pole points North.
Artificial magnets are made in different shapes such as ______, _____ and _______.
The south pole of a bar magnet and the north pole of a U-shaped magnet will _______.
The strongest natural magnet is ______.
