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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
Select the correct alternative
A freely suspended magnet rests in
Write true or false of the following statement.
Magnetic poles occur in pairs.
Draw diagrams of the artificial magnets of four different shapes?
Define the following term regarding a bar magnet:
Effective length
Select the correct option:
The substance which form a strong temporary magnet is:
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 |
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
Why are E and F placed in contact with the poles of the magnets as shown in the diagram?
Observe the pictures A and B given in figure carefully.
Which of the following statement is correct for the above given pictures?
What are the factors that determine the strength of the magnet?
