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प्रश्न
Distinguish between the two methods of making artificial magnets.
उत्तर
The two methods of making artificial magnets are:
| 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
Describe a simple experiment to illustrate that like poles of two magnets repel each other while the unlike poles attract ?
State if the following statement is true or false. Correct the statement if it is false.
Attraction is the surest test for magnetism.
State if the following statement is true or false. Correct the statement if it is false.
Whenever a magnet is not in use, it should be stored along with other magnets.
Define the following term regarding a bar magnet:
Effective length
Define the term Magnetic axis
Define the following term:
Geographic meridian
Match the following.
| Magnetite | Magnetic lines |
| A tiny pivoted magnet | Natural magnet |
| Cobalt | Compass box |
| Closed curves | Ferromagnetic material |
| Bismuth | Diamagnetic material |
Thamizh Dharaga and Sangamithirai were playing with a bar magnet. They put the magnet down and it broke into four pieces. How many poles will be there?
