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प्रश्न
Observe the pictures A and B given in figure carefully.
Which of the following statement is correct for the above given pictures?
पर्याय
In A, cars 1 and 2 will come closer and in B, cars 3 and 4 will come closer.
In A, cars 1 and 2 will move away from each other and in B, cars 3 and 4 will move away.
In A, cars 1 and 2 will move away and in B, 3 and 4 will come closer to each other.
In A, cars 1 and 2 will come closer to each other and in B, 3 and 4 will move away from each other.
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उत्तर
In A, cars 1 and 2 will come closer to each other, and in B, 3 and 4 will move away from each other.
Explanation:
If the magnets on vehicles 1 and 2 are facing each other with opposite poles, the cars will be attracted. If the magnets on cars 1 and 2 are facing each other with the same poles, the cars will repel each other. In scenario B, the magnets on vehicles 3 and 4 will repel each other because they have the same pole.
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संबंधित प्रश्न
Match the following
| Column A | Column B |
| (a). Human body | (1). electric bell |
| (b). Silk thread | (2). current |
| (c). Charge in motion | (3). conductor |
| (d). soft iron | (4). electromagnet |
| (e) . Electromagnet | (5). insulator |
State two properties of a bar magnet ?
Describe a simple experiment to illustrate that like poles of two magnets repel each other while the unlike poles attract ?
Write the answer in your word.
Write the properties of a magnet.
Select the correct option:
The place around a magnet where its influence can be detected is called:
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
Name the metal used for E and F.
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?
Give scientific reason:
Soft iron is used to make electromagnets.
People who made mariner’s compass for the first time.
