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प्रश्न
Distinguish between
Natural and artificial magnets.
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उत्तर
Natural magnets are the pieces of lodestone which are found in nature while artificial magnet is the magnetized piece of iron or steel.
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संबंधित प्रश्न
Fill in the blank
To light a table lamp and to run a refrigerator, we use ______ as the source of electricity.
Select the correct alternative
A freely suspended magnet rests in
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 |
What is a magnet?
Define the following term regarding a bar magnet:
Magnetic field
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?
Explain the following:
Resistance of a conductor
Artificial magnets are made in different shapes such as ______, _____ and _______.
Maximum iron filings stick in the middle of a bar magnet when it is brought near them.
