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प्रश्न
Give a reason for the following.
Iron is a magnetic substance.
उत्तर
Iron is a magnetic substance because it gets attracted by a magnet.
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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.
How are the magnets kept safely? What is the role of keepers in storing the magnets?
What is the magnetic induction? Explain with the help of a diagram.
Answer the following in detail.
How can a magnet be demagnetized?
Select the correct option:
The substance which form a strong temporary magnet is:
Fill the blank spaces in the table given below:
| Nature of bar | Action of compass needle | |
| North Pole | South Pole | |
| Non-magnetic | No action | ________ |
| ________ | attracted | attracted |
| North pole of a bar magnet | ________ | _________ |
| ________ | attracted | repelled |
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Since every iron atom is a tiny magnet, why are not all iron bar magnets?
Distinguish between
Natural and artificial magnets.
You are provided with two identical metal bars. One out of the two is a magnet. Suggest two ways to identify the magnet.
