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प्रश्न
Draw diagrams of the artificial magnets of four different shapes?
आकृती
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उत्तर
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संबंधित प्रश्न
Match the following
| Column A | Column B |
| A) Steel | 1) to store magnets |
| B) Soft iron | 2) temporary magnet |
| C) Use in electric bell | 3) permanent magnet |
| D) Magnetic keepers | 4) electromagnet |
Answer the following in detail.
List four methods of magnetizing a magnetic substance.
There is repulsion between the _____ poles of a magnet and attraction between its _____ poles.
When magnetic material is taken close to a magnet, the material acquires ______.
What are magnetic keepers? What are they used for?
What do you understand by the term magnetic declination?
Draw the magnetic field lines around a bar magnet when a bar magnet is placed such that the N pole points North.
An object that is attracted by magnet.
Magnets are used in _______ for generating electricity.
What will happen when we place magnets near cell phones, computers, and DVDs?
