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प्रश्न
Answer the following.
What are artificial magnets?
उत्तर
Magnets that are made by humans from magnetic substances are called artificial magnets. They can be made in different shapes and sizes like a bar magnet, horseshoe magnet, etc.
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संबंधित प्रश्न
Fill in the blank
A magnet has ______ poles.
Write true or false of the following statement.
Poles of a magnet cannot be separated.
Write true or false of the following statement.
A magnet has no effect when it is heated to a high temperature.
Why are the artificial magnets preferred over the natural magnets?
Explain the attractive property of a magnet with the help of an experiment.
Answer the following.
What are magnetic substances?
A student who checked some magnets in the school laboratory found out that their magnetic force is worn out. Give three reasons for that?
Magnets lose their property if they ______.
Match the following:
| 1. | Directive property | a. | Never intersect |
| 2. | Magnetic poles | b. | Magnetic compass |
| 3. | Lines of force | c. | Attract |
| 4. | Unlike poles | d. | Exist in pairs |
Fig. 13.6 shows a magnetic campass. What will happen to the position of its needle if you bring a bar magnet near it? Draw a diagram to show the effect on the needle on bringing the bar magnet near it. Also draw the diagram to show the effect when the other end of the bar magnet is brought near it.
