Question
Distinguish between the two methods of making artificial magnets
✓
Answer
| Single touch method | Double touch method |
| 1. In this method, one magnet is used to magnetise the steel bar. | 1. In this method, two magnets are used to magnetise the steel bar. |
| 2. In this method, the magnet is dragged from one end of the steel bar to another end. | 2. In this method, two magnets are dragged from the middle of the steel bar to the opposite directions. |
| 3. As only one magnet is used to induce magnetism, this method is called single touch method. | 3. As two bar magnets are used to induce magnetism, this method is called double-touch method. |
| 4. The magnetism created by this method is of low strength and lasts for a short time. | 4. The magnetism created by this method is of high strength and lasts for a longer time. |
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