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प्रश्न
The real test of a magnet is ______.
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उत्तर
The real test of a magnet is repulsion.
Explanation:
An object cannot be considered a magnet just because it shows attraction, because even non-magnetic materials can be attracted. However, if an object repels another magnet, then and only then, it is a true magnet.
संबंधित प्रश्न
Select the correct alternative
A freely suspended magnet rests in
You are given two similar bars. One is a magnet and the other is of soft iron. How will you distinguish and identify them ?
Write true or false of the following statement.
Magnetic poles occur in pairs.
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 short.
What is a magnet? Differentiate between natural and artificial magnets.
Answer the following in detail.
List four methods of magnetizing a magnetic substance.
Select the correct option:
The place around a magnet where its influence can be detected is called:
Distinguish between
Natural and artificial magnets.
How can you identify non-magnetic materials? Give an example of a nonmagnetic material.
