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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
What is declination ? Draw a diagram to show the angle between the declination and true direction of geographic north.
State four important properties of a bar magnet?
Answer the following in detail.
Write a short note on the theory of magnetism.
Define the following term regarding a bar magnet:
Magnetic axis
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?
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Give scientific reason:
Soft iron is used to make electromagnets.
Give scientific reason:
Not attraction but repulsion is a sure test of magnetism.
State the laws of magnetism.
Define artificial magnet.
