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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
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 |
Draw diagrams of the artificial magnets of four different shapes?
Define the following term regarding a bar magnet:
Magnetic equator
Which magnet will you use?
A window shutter opens and shuts continuously in the wind.
There are two knitting needles. One of them is magnetized. How will you find out which one is magnetized, if no other magnet is available?
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
What is the material of darkened part?
If a magnet is carefully broken into two pieces as shown in figure (i), how does the magnetic strength of each piece compare with that of the original magnet? If another magnet is carefully broken in half along its long axis shown in figure (ii), how would the strength of each piece compare with that of the original magnet?
Define the term Magnetic axis
List out the uses of magnets.
